HD64F2149 Datasheet, PDF (345/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Bits 1 and 0—Clock Select (CKS1, CKS0): Select external clock input or one of three internal
clock sources for the FRC. External clock pulses are counted on the rising edge of signals input to
the external clock input pin (FTCI).
Bit 1
CKS1
0
1
Bit 0
CKS0
0
1
0
1
Description
ø/2 internal clock source
ø/8 internal clock source
ø/32 internal clock source
External clock source (rising edge)
(Initial value)
11.2.9 Timer Output Compare Control Register (TOCR)
Bit
Initial value
Read/Write
7
6
ICRDMS OCRAMS
0
0
R/W R/W
5
ICRS
0
R/W
4
OCRS
0
R/W
3
OEA
0
R/W
2
OEB
0
R/W
1
OLVLA
0
R/W
0
OLVLB
0
R/W
TOCR is an 8-bit readable/writable register that enables output from the output compare pins,
selects the output levels, switches access between output compare registers A and B, controls the
ICRD and OCRA operating mode, and switches access to input capture registers A, B, and C.
TOCR is initialized to H'00 by a reset and in hardware standby mode.
Bit 7—Input Capture D Mode Select (ICRDMS): Specifies whether ICRD is used in the normal
operating mode or in the operating mode using OCRDM.
Bit 7
ICRDMS
0
1
Description
The normal operating mode is specified for ICRD
The operating mode using OCRDM is specified for ICRD
(Initial value)
Bit 6—Output Compare A Mode Select (OCRAMS): Specifies whether OCRA is used in the
normal operating mode or in the operating mode using OCRAR and OCRAF.
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