Information
I2Cx_SMB field descriptions (continued)
Field Description
0 No SCL high and SDA low timeout occurs
1 SCL high and SDA low timeout occurs
0
SHTF2IE
SHTF2 Interrupt Enable
Enables SCL high and SDA low timeout interrupt.
0 SHTF2 interrupt is disabled
1 SHTF2 interrupt is enabled
44.3.10 I2C Address Register 2 (I2Cx_A2)
Addresses: I2C0_A2 is 4006_6000h base + 9h offset = 4006_6009h
Bit 7 6 5 4 3 2 1 0
Read
SAD
0
Write
Reset
1 1 0 0 0 0 1 0
I2Cx_A2 field descriptions
Field Description
7–1
SAD
SMBus Address
Contains the slave address used by the SMBus. This field is used on the device default address or other
related addresses.
0
Reserved
This read-only field is reserved and always has the value zero.
44.3.11 I2C SCL Low Timeout Register High (I2Cx_SLTH)
Addresses: I2C0_SLTH is 4006_6000h base + Ah offset = 4006_600Ah
Bit 7 6 5 4 3 2 1 0
Read
SSLT[15:8]
Write
Reset
0 0 0 0 0 0 0 0
I2Cx_SLTH field descriptions
Field Description
7–0
SSLT[15:8]
Most significant byte of SCL low timeout value that determines the timeout period of SCL low.
Memory map and register descriptions
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
1022 Freescale Semiconductor, Inc.
