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CHAPTER 14 8-BIT SERIAL I/O
14.4 Registers of 8-Bit Serial I/O
Figure 14.4-1 shows 8-bit serial I/O registers.
■ Registers of 8-bit Serial I/O
Figure 14.4-1 8-bit Serial I/O Registers
Note:
When using a bit manipulation instruction, make sure that the SST bit is "0".
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
0039
H
SIOF SIOE SCKE SOE CKS1 CKS0 BDS SST 00000000
B
R/W R/W R/W R/W R/W R/W R/W R/W
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
003A
H
XXXXXXXX
B
R/W R/W R/W R/W R/W R/W R/W R/W
R/W : Readable and Writable
X
SMR (serial mode register)
Address
Address
Initial value
Initial value
SDR (serial data register)
: Undefined