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C-23
REGISTERS
SADEN
Address: S:B9H
Reset State: 0000 0000B
Mask Byte Register. This register masks bits in the SADDR register to form the device’s given address
for multiprocessor communication.
7 0
Mask for SADDR
Bit
Number
Bit
Mnemonic
Function
7:0 SADEN.7:0
SBUF
Address: S:99H
Reset State: XXXX XXXXB
Serial Data Buffer. Writing to SBUF loads the transmit buffer of the serial I/O port. Reading SBUF
reads the receive buffer of the serial I/O port.
7 0
Data Sent/Received by Serial I/O Port
Bit
Number
Bit
Mnemonic
Function
7:0 SBUF.7:0