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III PERIPHERAL BLOCK: SERIAL INTERFACE
S1C33210 FUNCTION PART EPSON B-III-8-33
CFP162: P16 function selection 2 (D1) / Port SIO function extension register (0x402D7)
Specifies the function of pin P16/EXCL5/#DMAEND1. Always set to "0."
Write "0": P16/EXCL5/#DMAEND1
Read: Valid
To use the pin as P16, EXCL5, or #DMAEND1, set this bit to "0".
At power-on, this bit is set to "0".
CFP152: P15 function selection 2 (D2) / Port SIO function extension register (0x402D7)
Specifies the function of pin P15/EXCL4/#DMAEND0. Always set to "0."
Write "0": P15/EXCL4/#DMAEND0
Read: Valid
To use the pin as P15, EXCL4, or #DMAEND0, set this bit to "0".
At power-on, this bit is set to "0".
CFP332: P32 function selection 2 (D3) / Port SIO function extension register (0x402D7)
Specifies the function of pin P32/#DMAACK0. Always set to "0."
Write "0": P32/#DMAACK0
Read: Valid
To use the pin as P32 or #DMAACK0, set this bit to "0".
At power-on, this bit is set to "0".
SSIN2: Serial I/F Ch.2 SIN selection (D0) / Port SIO function extension register (0x402DB)
Switches the function of pin P27/TM5/SIN2.
Write "1": SIN2
Write "0": P27/TM5
Read: Valid
To use the pin as SIN2, set SSIN2 (D0 / 0x402DB) to "1" and CFP27 (D7 / 0x402D8) to "0".
To use the pin as P27 or TM5, set this bit to "0".
At power-on, this bit is set to "0".
SSOUT2: Serial I/F Ch.2 SOUT selection (D1) / Port SIO function extension register (0x402DB)
Switches the function of pin P26/TM4/SOUT2.
Write "1": SOUT2
Write "0": P26/TM4
Read: Valid
To use the pin as SOUT2, set SSOUT2 (D1 / 0x402DB) to "1" and CFP26 (D6 / 0x402D8) to "0".
To use the pin as P26 or TM4, set this bit to "0".
At power-on, this bit is set to "0".