h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 992

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
STCR—Serial Timer Control Register
Rev. 4.00 Jun 06, 2006 page 938 of 1004
REJ09B0301-0400
Bit
Initial value
Read/Write
Notes: 1.
2.
Used for 8-bit timer input clock selection. For details, see section 12.2.4, Timer
Control Register (TCR).
Used for I
I
2
C Bus Mode Register (ICMR).
Reserved
R/W
—
7
0
2
C bus interface transfer clock selection. For details, see section 16.2.4,
IICX1
R/W
6
0
I
2
C transfer select 1 and 0 *
IICX0
R/W
5
0
I
2
0
1
C master enable
CPU access to SCI0, SCI1, and SCI2 control
registers is enabled
CPU access to I
registers and control registers is enabled
IICE
R/W
4
0
Flash memory control register enable
0
1
Flash memory control register not selected
Flash memory control register selected
FLSHE
R/W
H'FFC3
3
0
2
2
C bus interface data, PWMX data
Reserved
R/W
—
2
0
Internal Clock Source
Select 1 and 0 *
ICKS1
R/W
1
0
ICKS0
R/W
0
0
1
System