NXP Semiconductors PXN2020, Reference Manual, Page: 1049 / 1376

Inter-Integrated Circuit Bus Controller Module (I
2
C)
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor 32-5
32.3.2 Register Descriptions
This section lists the I
2
C registers in address order and describes the registers and their bit fields.
32.3.2.1 I
2
C Bus Address Register (IBAD)
This register contains the address the I
2
C bus responds to when addressed as a slave; it is not the address
sent on the bus during the address transfer.
32.3.2.2 I
2
C Bus Frequency Divider Register (IBFD)
Offset: 0x00000 Access: User read/write
0 1 2 3 4 5 6 7
R
AD
0
W
Reset 0 0 0 0 0 0 0 0
Figure 32-3. I
2
C Bus Address Register (IBAD)
Table 32-2. IBAD Field Descriptions
Field Description
AD Slave Address. Specific slave address to be used by the I
2
C bus module.
Note: The default mode of I
2
C bus is slave mode for an address match on the bus.
Offset: 0x0001 Access: User read/write
0 1 2 3 4 5 6 7
R
MULT ICR
W
Reset 0 0 0 0 0 0 0 0
Figure 32-4. I
2
C Bus Frequency Divider Register (IBFD)