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2
I
C Module Registers
2
I2CDRW, I2CDRB, I
C Data Register
15
14
rw−0
rw−0
7
6
rw−0
rw−0
2
I2CDRW/
Bits
I
C Data. When I2CWORD = 1, the register name is I2CDRW. When
I2CDRB
15−8
I2CWORD = 0, the name is I2CDRB. When I2CWORD = 1, any attempt to
modify the register with a byte instruction will fail and the register will not be
updated.
2
I2CNDAT, I
C Transfer Byte Count Register
7
6
rw−0
rw−0
2
I2CNDATx
Bits
I
C number of bytes. This register supports automatic data byte counting for
7−0
master mode. In word mode, I2CNDATx must be an even value.
15-24
USART Peripheral Interface, I
13
12
11
I2CDRW High Byte
rw−0
rw−0
rw−0
5
4
3
I2CDRW Low Byte
I2CDRB
rw−0
rw−0
rw−0
5
4
3
I2CNDATx
rw−0
rw−0
rw−0
2
C Mode
10
9
8
rw−0
rw−0
rw−0
2
1
0
rw−0
rw−0
rw−0
2
1
0
rw−0
rw−0
rw−0
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