SPRUIM2H May 2020 – October 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
This section describes the interfacing differences of the GPMC supported memories.
Function | 16-Bit Address/ Data-Multiplexed pSRAM or NOR Flash (1) | 16-Bit NAND | 8-Bit NAND |
---|---|---|---|
GPMC_A[22] | |||
GPMC_A[21] | |||
GPMC_A[20] | |||
GPMC_A[19] | |||
GPMC_A[18] | |||
GPMC_A[17] | |||
GPMC_A[16] | |||
GPMC_A[15] | |||
GPMC_A[14] | |||
GPMC_A[13] | |||
GPMC_A[12] | |||
GPMC_A[11] | |||
GPMC_A[10] | A26 | ||
GPMC_A[9] | A25 | ||
GPMC_A[8] | A24 | ||
GPMC_A[7] | A23 | ||
GPMC_A[6] | A22 | ||
GPMC_A[5] | A21 | ||
GPMC_A[4] | A20 | ||
GPMC_A[3] | A19 | ||
GPMC_A[2] | A18 | ||
GPMC_A[1] | A17 | ||
GPMC_A[0] | |||
GPMC_AD[15] | D15 or A16 | IO15 | |
GPMC_AD[14] | D14 or A15 | IO14 | |
GPMC_AD[13] | D13 or A14 | IO13 | |
GPMC_AD[12] | D12 or A13 | IO12 | |
GPMC_AD[11] | D11 or A12 | IO11 | |
GPMC_AD[10] | D10 or A11 | IO10 | |
GPMC_AD[9] | D9 or A10 | IO9 | |
GPMC_AD[8] | D8 or A9 | IO8 | |
GPMC_AD[7] | D7 or A8 | IO7 | |
GPMC_AD[6] | D6 or A7 | IO6 | |
GPMC_AD[5] | D5 or A6 | IO5 | |
GPMC_AD[4] | D4 or A5 | IO4 | |
GPMC_AD[3] | D3 or A4 | IO3 | |
GPMC_AD[2] | D2 or A3 | IO2 | |
GPMC_AD[1] | D1 or A2 | IO1 | |
GPMC_AD[0] | D0 or A1 | IO0 | |
GPMC_CLKOUT | CLK | ||
GPMC_CSn0 | nCS0 (chip-select) | nCE0 (chip-enable) | |
GPMC_CSn1 | nCS1 | nCE1 | |
GPMC_CSn2 | nCS2 | nCE2 | |
GPMC_CSn3 | nCS3 | nCE3 | |
GPMC_ADVn_ALE | nADV (address valid) | ALE (address latch enable) | |
GPMC_OEn_REn | nOE (output enable) | nRE (read enable) | |
GPMC_WEn | nWE (Write enable) | nWE (write enable) | |
GPMC_BE0n_CLE | nBE0 (byte enable) | CLE (command latch enable) | |
GPMC_BE1n | nBE1 | ||
GPMC_WAIT0 | WAIT0 | R/nB0 (ready/busy) | |
GPMC_WAIT1 | WAIT1 | R/nB1 | |
GPMC_WPn | nWP (Write Protect) | nWP (Write Protect) |