M16C80 Datasheet, PDF (212/358 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/80 SERIES

M16C/80 Group
26. Programmable I/O Ports
Function select register A2
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PS2
Address
03B416
When reset
XXXXXX002
Bit symbol
Bit name
PS2_0 Port P80 function select bit
Function
0 : I/O port
1 : Peripheral function output
(PSL2_0 enabled)
PS2_1
Port P81 function select bit 0 : I/O port
1 : U phase output
Nothing is assigned.
When write, set "0". When read, the content is indeterminate.
RW
Function select register A3 (Note)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PS3
Address
03B516
When reset
0016
Bit symbol
Bit name
PS3_0 Port P90 function select bit
Function
0 : I/O port
1 : CLK3 output
RW
PS3_1
PS3_2
Port P91 function select bit
Port P92 function select bit
0 : I/O port
1 : Peripheral function output
(PSL3_1 enabled)
0 : I/O port
1 : TxD3(SDA3) output
PS3_3
PS3_4
Port P93 function select bit
Port P94 function select bit
0 : I/O port
1 : RTS3 output
0 : I/O port
1 : RTS4 output
PS3_5
PS3_6
PS3_7
Port P95 function select bit
Port P96 function select bit
Port P97 function select bit
0 : I/O port
1 : CLK4 output
0 : I/O port
1 : TxD4(SDA4) output
0 : I/O port
1 : Peripheral function output
(PSL3_7 enabled)
Note: Set bit 2 of protect register (address 000A16) to “1” before rewriting to this register.
Figure 26.9 Function select register A (2)
Rev.1.00 Aug. 02, 2005 ^{Page 201} of 329
REJ09B0187-0100