JAJSJ32 データシート

JAJSJ32C December 2019 – September 2023 AM6526 , AM6528 , AM6546 , AM6548

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ACD|784

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6.9.5.10.1.2 GPMC and NOR Flash Switching Characteristics—Synchronous Mode

NO.⁽²⁾	PARAMETER	DESCRIPTION	MODE⁽¹⁹⁾	MIN	MAX	UNIT
F0	tc(clk)	Period, output clock GPMC_CLK ⁽¹⁸⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	10		ns
F1	t_w(clkH)	Typical pulse duration, output clock GPMC_CLK high	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-0.3+0.475*P ⁽¹⁵⁾		ns
F1	t_w(clkL)	Typical pulse duration, output clock GPMC_CLK low	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-0.3+0.475*P ⁽¹⁵⁾		ns
F2	t_d(clkH-csnV)	Delay time, output clock GPMC_CLK rising edge to output chip select GPMC_CSn[x] transition ⁽¹⁴⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.2+F ⁽⁶⁾	4.5+F ⁽⁶⁾	ns
F3	t_{d(clkH-csnIV)}	Delay time, output clock GPMC_CLK rising edge to output chip select GPMC_CSn[x] invalid ⁽¹⁴⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.2+E ⁽⁵⁾	4.5+E ⁽⁵⁾	ns
F4	t_d(aV-clk)	Delay time, output address GPMC_A[27:1] valid to output clock GPMC_CLK first edge	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+B ⁽²⁾	4.5+B ⁽²⁾	ns
F5	t_d(clkH-aIV)	Delay time, output clock GPMC_CLK rising edge to output address GPMC_A[27:1] invalid	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3	4.5	ns
F6	t_{d(be[x]nV-clk)}	Delay time, output lower byte enable and command latch enable GPMC_BE0n_CLE, output upper byte enable GPMC_BE1n valid to output clock GPMC_CLK first edge	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+B ⁽²⁾	1.9+B ⁽²⁾	ns
F7	t_{d(clkH-be[x]nIV)}	Delay time, output clock GPMC_CLK rising edge to output lower byte enable and command latch enable GPMC_BE0n_CLE, output upper byte enable GPMC_BE1n invalid ⁽¹¹⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+D ⁽⁴⁾	1.9+D ⁽⁴⁾	ns
F7	t_{d(clkL-be[x]nIV)}	Delay time, GPMC_CLK falling edge to GPMC_BE0n_CLE, GPMC_BE1n invalid ⁽¹²⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+D ⁽⁴⁾	1.9+D ⁽⁴⁾	ns
F7	t_{d(clkL-be[x]nIV).}	Delay time, GPMC_CLK falling edge to GPMC_BE0n_CLE, GPMC_BE1n invalid ⁽¹³⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+D ⁽⁴⁾	1.9+D ⁽⁴⁾	ns
F8	t_d(clkH-advn)	Delay time, output clock GPMC_CLK rising edge to output address valid and address latch enable GPMC_ADVn_ALE transition	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.3+G ⁽⁷⁾	4.5+G ⁽⁷⁾	ns
F9	t_{d(clkH-advnIV)}	Delay time, output clock GPMC_CLK rising edge to output address valid and address latch enable GPMC_ADVn_ALE invalid	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.3+D ⁽⁴⁾	4.5+D ⁽⁴⁾	ns
F10	t_d(clkH-oen)	Delay time, output clock GPMC_CLK rising edge to output enable GPMC_OEn_REn transition	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.3H ⁽⁸⁾	3.5+H ⁽⁸⁾	ns
F11	t_{d(clkH-oenIV)}	Delay time, output clock GPMC_CLK rising edge to output enable GPMC_OEn_REn invalid	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.3+E ⁽⁸⁾	3.5+E ⁽⁸⁾	ns
F14	t_d(clkH-wen)	Delay time, output clock GPMC_CLK rising edge to output write enable GPMC_WEn transition	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1; no extra_delay	-2.3+I ⁽⁹⁾	4.5+I ⁽⁹⁾	ns
F15	t_d(clkH-do)	Delay time, output clock GPMC_CLK rising edge to output data GPMC_AD[15:0] transition ⁽¹¹⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+J ⁽¹⁰⁾	2.7+J ⁽¹⁰⁾	ns
F15	t_d(clkL-do)	Delay time, GPMC_CLK falling edge to GPMC_AD[15:0] data bus transition ⁽¹²⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+J ⁽¹⁰⁾	2.7+J ⁽¹⁰⁾	ns
F15	t_d(clkL-do).	Delay time, GPMC_CLK falling edge to GPMC_AD[15:0] data bus transition ⁽¹³⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+J ⁽¹⁰⁾	2.7+J ⁽¹⁰⁾	ns
F17	t_{d(clkH-be[x]n)}	Delay time, output clock GPMC_CLK rising edge to output lower byte enable and command latch enable GPMC_BE0n_CLE transition ⁽¹¹⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+J ⁽¹⁰⁾	1.9+J ⁽¹⁰⁾	ns
F17	t_{d(clkL-be[x]n)}	Delay time, GPMC_CLK falling edge to GPMC_BE0n_CLE, GPMC_BE1n transition ⁽¹²⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+J ⁽¹⁰⁾	1.9+J ⁽¹⁰⁾	ns
F17	t_{d(clkL-be[x]n).}	Delay time, GPMC_CLK falling edge to GPMC_BE0n_CLE, GPMC_BE1n transition ⁽¹³⁾	div_by_1_mode; GPMC_FCLK_MUX_100; TIMEPARAGRANULARITY_X1	-2.3+J ⁽¹⁰⁾	1.9+J ⁽¹⁰⁾	ns
F18	t_w(csnV)	Pulse duration, output chip select GPMC_CSn[x] low ⁽¹⁴⁾	Read	0+A ⁽¹⁾		ns
F18	t_w(csnV)	Pulse duration, output chip select GPMC_CSn[x] low ⁽¹⁴⁾	Write	0+A ⁽¹⁾		ns
F19	t_w(be[x]nV)	Pulse duration, output lower byte enable and command latch enable GPMC_BE0n_CLE, output upper byte enable GPMC_BE1n low	Read	0+C ⁽³⁾		ns
F19	t_w(be[x]nV)		Write	0+C ⁽³⁾		ns
F20	t_w(advnV)	Pulse duration, output address valid and address latch enable GPMC_ADVn_ALE low	Read	0+K ⁽¹⁶⁾		ns
F20	t_w(advnV)		Write	0+K ⁽¹⁶⁾		ns

(1) For single read: A = (CSRdOffTime - CSOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst read: A = (CSRdOffTime - CSOnTime + (n - 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst write: A = (CSWrOffTime - CSOnTime + (n - 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
With n being the page burst access number.

(2) B = ClkActivationTime × GPMC_FCLK⁽¹⁷⁾

(3) For single read: C = RdCycleTime × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst read: C = (RdCycleTime + (n - 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst write: C = (WrCycleTime + (n - 1) × PageBurstAccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
With n being the page burst access number.

(4) For single read: D = (RdCycleTime - AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst read: D = (RdCycleTime - AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst write: D = (WrCycleTime - AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾

(5) For single read: E = (CSRdOffTime - AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst read: E = (CSRdOffTime - AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For burst write: E = (CSWrOffTime - AccessTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾

(6) For csn falling edge (CS activated):

Case GpmcFCLKDivider = 0:
- F = 0.5 × CSExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- F = 0.5 × CSExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and CSOnTime are odd) or (ClkActivationTime and CSOnTime are even)
- F = (1 + 0.5 × CSExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- F = 0.5 × CSExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((CSOnTime - ClkActivationTime) is a multiple of 3)
- F = (1 + 0.5 × CSExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((CSOnTime - ClkActivationTime - 1) is a multiple of 3)
- F = (2 + 0.5 × CSExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((CSOnTime - ClkActivationTime - 2) is a multiple of 3)

(7) For ADV falling edge (ADV activated):

Case GpmcFCLKDivider = 0:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and ADVOnTime are odd) or (ClkActivationTime and ADVOnTime are even)
- G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((ADVOnTime - ClkActivationTime) is a multiple of 3)
- G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((ADVOnTime - ClkActivationTime - 1) is a multiple of 3)
- G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((ADVOnTime - ClkActivationTime - 2) is a multiple of 3)

For ADV rising edge (ADV deactivated) in Reading mode:

Case GpmcFCLKDivider = 0:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and ADVRdOffTime are odd) or (ClkActivationTime and ADVRdOffTime are even)
- G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((ADVRdOffTime - ClkActivationTime) is a multiple of 3)
- G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((ADVRdOffTime - ClkActivationTime - 1) is a multiple of 3)
- G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((ADVRdOffTime - ClkActivationTime - 2) is a multiple of 3)

For ADV rising edge (ADV deactivated) in Writing mode:

Case GpmcFCLKDivider = 0:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and ADVWrOffTime are odd) or (ClkActivationTime and ADVWrOffTime are even)
- G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- G = 0.5 × ADVExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((ADVWrOffTime - ClkActivationTime) is a multiple of 3)
- G = (1 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((ADVWrOffTime - ClkActivationTime - 1) is a multiple of 3)
- G = (2 + 0.5 × ADVExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((ADVWrOffTime - ClkActivationTime - 2) is a multiple of 3)

(8) For OE falling edge (OE activated) and IO DIR rising edge (Data Bus input direction):

Case GpmcFCLKDivider = 0:
- H = 0.5 × OEExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- H = 0.5 × OEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and OEOnTime are odd) or (ClkActivationTime and OEOnTime are even)
- H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- H = 0.5 × OEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((OEOnTime - ClkActivationTime) is a multiple of 3)
- H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((OEOnTime - ClkActivationTime - 1) is a multiple of 3)
- H = (2 + 0.5 × OEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((OEOnTime - ClkActivationTime - 2) is a multiple of 3)

For OE rising edge (OE deactivated):

Case GpmcFCLKDivider = 0:
- H = 0.5 × OEExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- H = 0.5 × OEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and OEOffTime are odd) or (ClkActivationTime and OEOffTime are even)
- H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- H = 0.5 × OEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((OEOffTime - ClkActivationTime) is a multiple of 3)
- H = (1 + 0.5 × OEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((OEOffTime - ClkActivationTime - 1) is a multiple of 3)
- H = (2 + 0.5 × OEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((OEOffTime - ClkActivationTime - 2) is a multiple of 3)

(9) For WE falling edge (WE activated):

Case GpmcFCLKDivider = 0:
- I = 0.5 × WEExtraDelay × GPMC_FCLK⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- I = 0.5 × WEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and WEOnTime are odd) or (ClkActivationTime and WEOnTime are even)
- I = (1 + 0.5 × WEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- I = 0.5 × WEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((WEOnTime - ClkActivationTime) is a multiple of 3)
- I = (1 + 0.5 × WEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((WEOnTime - ClkActivationTime - 1) is a multiple of 3)
- I = (2 + 0.5 × WEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((WEOnTime - ClkActivationTime - 2) is a multiple of 3)

For WE rising edge (WE deactivated):

Case GpmcFCLKDivider = 0:
- I = 0.5 × WEExtraDelay × GPMC_FCLK ⁽¹⁷⁾
Case GpmcFCLKDivider = 1:
- I = 0.5 × WEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if (ClkActivationTime and WEOffTime are odd) or (ClkActivationTime and WEOffTime are even)
- I = (1 + 0.5 × WEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ otherwise
Case GpmcFCLKDivider = 2:
- I = 0.5 × WEExtraDelay × GPMC_FCLK⁽¹⁷⁾ if ((WEOffTime - ClkActivationTime) is a multiple of 3)
- I = (1 + 0.5 × WEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((WEOffTime - ClkActivationTime - 1) is a multiple of 3)
- I = (2 + 0.5 × WEExtraDelay) × GPMC_FCLK⁽¹⁷⁾ if ((WEOffTime - ClkActivationTime - 2) is a multiple of 3)

(10) J = GPMC_FCLK⁽¹⁷⁾

(11) First transfer only for CLK DIV 1 mode.

(12) Half cycle; for all data after initial transfer for CLK DIV 1 mode.

(13) Half cycle of GPMC_CLK_OUT; for all data for modes other than CLK DIV 1 mode. GPMC_CLK_OUT divide down from GPMC_FCLK.

(14) In GPMC_CSn[x], x is equal to 0, 1, 2 or 3. In GPMC_WAIT[x], x is equal to 0 or 1.

(15) P = GPMC_CLK period in ns

(16) For read: K = (ADVRdOffTime - ADVOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾
For write: K = (ADVWrOffTime - ADVOnTime) × (TimeParaGranularity + 1) × GPMC_FCLK⁽¹⁷⁾

(17) GPMC_FCLK is general-purpose memory controller internal functional clock period in ns.

(18) Related to the GPMC_CLK output clock maximum and minimum frequencies programmable in the GPMC module by setting the GPMC_CONFIG1_CSx configuration register bit field GpmcFCLKDivider.

(19) For div_by_1_mode:

GPMC_CONFIG1_i Register: GPMCFCLKDIVIDER = 0h:
- GPMC_CLK frequency = GPMC_FCLK frequency

For GPMC_FCLK_MUX_100:

gpmc_fclk_sel[1:0] = 01 = PER1_PLL_CLKOUT / 3 = 300 / 3 = 100MHz

For TIMEPARAGRANULARITY_X1:

GPMC_CONFIG1_i Register: TIMEPARAGRANULARITY = 0h = x1 latencies (affecting RD/WRCYCLETIME, RD/WRACCESSTIME, PAGEBURSTACCESSTIME, CSONTIME, CSRD/WROFFTIME, ADVONTIME, ADVRD/WROFFTIME, OEONTIME, OEOFFTIME, WEONTIME, WEOFFTIME, CYCLE2CYCLEDELAY, BUSTURNAROUND, TIMEOUTSTARTVALUE, WRDATAONADMUXBUS)

For no extra_delay:

GPMC_CONFIG2_i Register : CSEXTRADELAY = 0h = CS i Timing control signal is not delayed
GPMC_CONFIG4_i Register : WEEXTRADELAY = 0h = nWE timing control signal is not delayed
GPMC_CONFIG4_i Register : OEEXTRADELAY = 0h = nOE timing control signal is not delayed
GPMC_CONFIG3_i Register: ADVEXTRADELAY = 0h = nADV timing control signal is not delayed