Renesas H8 Series Hardware Manual page 329

Bits 1 and 0—Clock Select (CKS1, CKS0)
Bits 1 and 0 select the clock input to TCG from among four internal clock sources.
Bit 1 Bit 0
CKS1 CKS0
0 0
0 1
1 0
1 1
Clock Stop Register 1 (CKSTPR1)
Bit: 7

Initial value: 1

Read/Write:
CKSTPR1 is an 8-bit read/write register that performs module standby mode control for peripheral
modules. Only the bit relating to timer G is described here. For details of the other bits, see the
sections on the relevant modules.
Bit 3—Timer G Module Standby Mode Control (TGCKSTP)
Bit 3 controls setting and clearing of module standby mode for timer G.
TGCKSTP Description
0 Timer G is set to module standby mode
1 Timer G module standby mode is cleared
Description
Internal clock: counting on φ/64
Internal clock: counting on φ/32
Internal clock: counting on φ/2
Internal clock: counting on φw/4
6 5

S32CKSTP ADCKSTP TGCKSTP
1 1

R/W
4 3
TFCKSTP TCCKSTP TACKSTP
1 1
R/W R/W R/W
Rev. 7.00 Mar 10, 2005 page 287 of 652
Section 9 Timers
(initial value)
2 1 0
1 1 1
R/W R/W
(initial value)
REJ09B0042-0700