Datasheet
I2C_SMB field descriptions (continued)
Field Description
0
SHTF2IE
SHTF2 Interrupt Enable
Enables SCL high and SDA low timeout interrupt.
0 SHTF2 interrupt is disabled
1 SHTF2 interrupt is enabled
18.3.10 I2C Address Register 2 (I2C_A2)
Address: 3070h base + 9h offset = 3079h
Bit 7 6 5 4 3 2 1 0
Read
SAD
0
Write
Reset
1 1 0 0 0 0 1 0
I2C_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 field is reserved.
This read-only field is reserved and always has the value 0.
18.3.11 I2C SCL Low Timeout Register High (I2C_SLTH)
Address: 3070h base + Ah offset = 307Ah
Bit 7 6 5 4 3 2 1 0
Read
SSLT[15:8]
Write
Reset
0 0 0 0 0 0 0 0
I2C_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.
Chapter 18 Inter-Integrated Circuit (I2C)
MC9S08PA60 Reference Manual, Rev. 1, 9/2012
Freescale Semiconductor, Inc. 505
