20.4.13 I2Cx Bus Clock Time-Out Register

Table 20-14. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Gray cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
CWrite to clearSSoftware settable bitxChannel number
Name: I2CxBTO
Offset: 0x18B0, 0x1900

Bit 3130292827262524 
 BTOCLKSEL        
Access R/W 
Reset 0 
Bit 2322212019181716 
 BSCLTOTMR[23:16] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 15141312111098 
 BSCLTOTMR[15:8] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 BSCLTOTMR[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 31 – BTOCLKSEL  I2C Bus Time-out Clock Selection bit

ValueDescription
1

The I2C BTO clock is the FRC

0

The I2C BTO clock is the peripheral clock

Bits 23:0 – BSCLTOTMR[23:0]  I2C Bus Clock Time-out Timer bits

Provides the Reset value for the BSCLTO timer. The timer resets on each falling edge of SCL and starts counting each BTO clock cycle if SCL is low. The timer is disabled when BSCLTE=0.