hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 329

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

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
CKS1
0
0
1
1
Clock Stop Register 1 (CKSTPR1)
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
0
1
Bit:
Initial value:
Read/Write:
Bit 0
CKS0
0
1
0
1
Description
Timer G is set to module standby mode
Timer G module standby mode is cleared


7
1
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
1
S32CKSTP ADCKSTP TGCKSTP
R/W
5
1
R/W
4
1
Rev. 7.00 Mar 10, 2005 page 287 of 652
R/W
3
1
TFCKSTP TCCKSTP TACKSTP
R/W
2
1
REJ09B0042-0700
R/W
Section 9 Timers
1
1
(initial value)
(initial value)
R/W
0
1