SPRUJ42E March 2022 – October 2024 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
PRODUCTION DATA
I2C Prescaler register
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| Instance Name | Physical Address |
|---|---|
| I2C0 | 5250 0030h |
| I2C1 | 5250 1030h |
| I2C2 | 5250 2030h |
| I2C3 | 5250 3030h |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| NU | |||||||
| R/W | |||||||
| 0h | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| NU | |||||||
| R/W | |||||||
| 0h | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| NU | |||||||
| R/W | |||||||
| 0h | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| IPSC7_IPSC0 | |||||||
| R/W | |||||||
| 0h | |||||||
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31:8 | NU | R/W | 0h | Reserved. |
| 7:0 | IPSC7_IPSC0 | R/W | 0h | 8-bit prescaler to divide the system clock down to 4/8/12Mhz clock and used by the I2C module. This register must be initialized while the I2C is still in reset [IRS_=0]. The value takes effect on the rising edge of IRS_. |