M16C6K9 Datasheet, PDF (219/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
PS2 Interface
PS2 mode register
b7 b6 b5 b4 b3 b2 b1 b0
0
Symbol
PS2MOD
Address
02AC16
Reset Value
0016
Bit Symbol
Bit name
SCK0
SCK1
Sampling clock
selection bits
Function
00 : Main clock /4
01 : Main clock /8
10 : Main clock /16
11 : Main clock /32
RW
PSEL
Pin selection bit
0 : PS2B connects to PS2 clock(CLK)
1 : PS2B connects to PS2 data(DAT)
Nothing is assigned.
Meaningless in writing, "0" in reading.
PSEN0
PSEN1
PSEN2
PS2 interface enable bits
0 : P70,P73 as GPIO
1 : P70,P73 as PS2A0,PS2B0
0 : P71,P74 as GPIO
1 : P71,P74 as PS2A1,PS2B1
0 : P72,P75 as GPIO
1 : P72,P75 as PS2A2,PS2B2
Reserved bit
Must be set to "0".
Fig.GK-8 PS2 mode register
Rev.1.00 Jun 06, 2003 page 219 of 290