JAJSNJ1H May 2013 – December 2021 TPS65310A-Q1
PRODUCTION DATA
CLOCK_CONFIG 0x33 | ||||||||
---|---|---|---|---|---|---|---|---|
Bit7 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 | |
Default after RESET | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Read | F_EN | SS_EN | SS_MODE | F4 | F3 | F2 | F1 | F0 |
Write | F_EN | SS_EN | SS_MODE | F4 | F3 | F2 | F1 | F0 |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit Name | Bit No. | Description | |
---|---|---|---|
F_EN | 7 | Frequency tuning enable register | |
0: | Off – Setting of Bit4…Bit0 are not effective, setting of Bit6 and Bit5 become effective | ||
1: | On – Setting of Bit4…Bit0 become effective, setting of Bit6 and Bit5 are not effective |
Bit Name | Bit No. | Description | |
---|---|---|---|
SS_EN | 6 | Spread spectrum mode enable | |
0: | Spread spectrum option for all switching regulators disabled | ||
1: | Spread spectrum option for all switching regulators enabled (only when F_EN = 0) | ||
When enabled, the switching frequency of BUCK1, BUCK2, BUCK3 and BOOST is modulated between 0.8 × fosc and fosc |
Bit Name | Bit No. | Description | |
---|---|---|---|
SS_MODE | 5 | Spread spectrum mode select (effective only when F_EN = 0) | |
0: | Pseudo random | ||
1: | Triangular |
Bit Name | Bit No. | Description | |
---|---|---|---|
F4, F3, F2, F1, F0 | 4-0 | Frequency tuning register (effective only when F_EN = 1) | |
0x10 is default value, trim range is 25% for 0x00 setting to –20% for 0x1F setting. Frequency tuning influences the switching frequency of BUCK1, BUCK2, BUCK3 and BOOST as well as the watchdog timing. |