7220 Datasheet, PDF (265/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
6.7 Control registers
Timer 12 Mode Register
b7 b6 b5 b4 b3 b2 b1 b0
0
Timer 12 mode register (T12M) [Address 00F416]
B
Name
0 Timer 1 count source
selection bit (T12M0)
Functions
0: f(XIN)/16
1: f(XIN)/4096
1 Timer 2 count source
selection bit
(T12M1)
2 Timer 1 count
stop bit (T12M2)
3 ^{Timer 2 count stop}
bit (T12M3)
4 Timer 2 internal count
source selection bit
(T12M4)
5 Fix this bit to “0.”
0: Internal clock
1: External clock from
P24/TIM2 pin
0: Count start
1: Count stop
0: Count start
1: Count stop
0: f(XIN)/16
1: Timer 1 overflow
6,7 Nothing is assigned. These bits are write disable
bits. When these bits are read out, the values are
“0.”
After reset R W
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
0 R—
Fig. 6.7.24 Timer 12 mode register
Address 00F416
6-46
7220 Group User’s Manual