Renesas Hitachi H8S/2191, Hardware Manual

Page: 706 / 1065

Rev. 2.0, 11/00, page 679 of 1037
(2) Special Playback Control Register (CHCR)
0
0
1
0
W
2
0
W
3
0
4
0
W
0
W
5 6
0
7
HAH SIG3 SIG2 SIG1 SIG0
0
W
V/N
W W W
HSWPOL CRH
Bit :
Initial value :
R/W :
The special playback control register (CHCR) is an 8-bit write-only register. It cannot be read.
If a read is attempted, an undetermined value is read out. It is initialized to H'00 by a reset,
stand-by or module stop.
Bit 7: HSW Signal Selection Bit (V/N)
Selects the HSW signal to be used at special playback.
Bit 7
V/N Description
0 Video FF signal output (Initial value)
1 Narrow FF signal output
Bit 6: COMP Polarity Selection Bit (HSWPOL)
Selects the polarity of the COMP signal.
Bit 6
HSWPOL Description
0 Positive (Initial value)
1 Negative
Bit 5: C.Rotary Synchronization Control Bit (CRH)
Synchronizes the C.Rotary signal with the OSCH signal.
Bit 5
CRH Description
0 Synchronous (Initial value)
1 Asynchronous