RxyI2C

I2C Pad Rxy Control Register

Important:
Name:
RxyI2C
Address:
Reset:
Access:
Bit76543210
SLEWPU[1:0]TH[1:0]
AccessR/WR/WR/WR/WR/W
Reset00000

Bit 6 – SLEW: I2C Specific Slew Rate Limiting Control

I2C Specific Slew Rate Limiting Control

Value Description
1 I2C specific slew rate limiting is enabled. Standard pad slew limiting is disabled. The SLRxy bit is ignored
0 Standard GPIO Slew Rate; enabled/disabled via SLRxy bit

Bits 5:4 – PU[1:0]: I2C Pull-Up Selection

I2C Pull-Up Selection

ValueDescription
11 Reserved
10 10x current of standard weak pull-up
01 2x current of standard weak pull-up
00 Standard GPIO weak pull-up, enabled via the WPUxy bit

Bits 1:0 – TH[1:0]: I2C Input Threshold Selection

I2C Input Threshold Selection

ValueDescription
11 SMBus 3.0 (1.35V) input threshold
10 SMBus 2.0 (2.1V) input threshold
01 I2C-specific input thresholds
00 Standard GPIO Input pull-up, enabled via the INLVLxy registers