Chapter 13
Serial Interface
Control Registers XIII - 11
13.2.5 Mode Register
SCIFn (n = 0, 1) Mode Register 0 (SC0MD0, SC1MD0)
bp76543210
Bit name SCnCE1 Reserved SCnCTM SCnDIR Reserved Reserved Reserved Reserved
Initial
value
00000111
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Bit name Description
7SCnCE1
Clock polarity selection
0: Initial value "High"
1: Initial value "Low"
6 Reserved Always set to "0"
5 SCnCTM
Communication mode selection
0: Single byte communication
1: Consecutive byte communication
4 SCnDIR
Transfer bit selection
0: MSB-first
1: LSB-first
3-0 Reserved Always set "0111"
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