M16C80 Datasheet, PDF (211/358 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 A0
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PS0
Address
03B016
When reset
0X000X002
Bit symbol
Bit name
Function
PS0_0
Port P60 function select bit 0 : I/O port
1 : RTS0 output
PS0_1
Port P61 function select bit 0 : I/O port
1 : CLK0 output
Nothing is assigned.
When write, set "0". When read, the content is indeterminate.
PS0_3
Port P63 function select bit 0 : I/O port
1 : TXD0 output
PS0_4
Port P64 function select bit
0 : I/O port
1 : Peripheral function output
(PSL0_4 enabled)
PS0_5
Port P65 function select bit 0 : I/O port
1 : CLK1 output
Nothing is assigned.
When write, set "0". When read, the content is indeterminate.
PS0_7
Port P67 function select bit 0 : I/O port
1 : TXD1 output
RW
Function select register A1
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PS1
Address
03B116
When reset
X00000002
Bit symbol
PS1_0
PS1_1
PS1_2
Bit name
Port P70 function select bit
(Note)
Port P71 function select bit
(Note)
Port P72 function select bit
Function
0 : I/O port
1 : Peripheral function output
(PSL1_0 enabled)
0 : I/O port
1 : SCL2 output
0 : I/O port
1 : Peripheral function output
(PSL1_2, PSC_0 enabled)
PS1_3
PS1_4
Port P73 function select bit
Port P74 function select bit
0 : I/O port
1 : Peripheral function output
(PSL1_3 enabled)
0 : I/O port
1 : Peripheral function output
(PSL1_4 enabled)
PS1_5
PS1_6
Port P75 function select bit
Port P76 function select bit
0 : I/O port
1 : W phase output
0 : I/O port
1 : TA3OUT output
Nothing is assigned.
When write, set "0". When read, the content is indeterminate.
Note: This port is N-channel open drain output.
RW
Figure 26.8 Function select register A (1)
Rev.1.00 Aug. 02, 2005 ^{Page 200} of 329
REJ09B0187-0100