Renesas Hitachi H8S/2191, Hardware Manual, Page: 1061 / 1065

Rev. 1.5, 09/00, page 1034 of 1037
V
CC
AV
CC
SV
CC
Vin
5 V
2.7 V
: Microcomputer section power supply voltage
: A/D converter power supply voltage
: Servo section power supply voltage
: Pin applied voltage
V
CC
, AV
CC
SV
CC
Vin
Figure E.2 Power Supply Control in Power-Down Modes
E.2 Pin Handling When the High-Speed Switching Circuit for Four-
Head Special Playback Is Not Used
Table E.1 shows how the C.Rotary, H.AmpSW, and COMP pins should be handled when the
switching circuit for four-head special-effects playback is not used. COMP is an input pin, and
the other two are output pins.
When the switching circuit for four-head special-effects playback is not used, the related pins
should be handled as shown below.
Table E.1 Pin Handling When the High-Speed Switching Circuit for Four-Head Special
Playback Is Not Used
Pin No. Pin Name Connection
103 C.Rotary OPEN (output pin)
*
104 H.AMP SW OPEN (output pin) *
105 COMP V
SS
Note:
*
Output depends on the special-effects control register (CHCR) value. If the initial
value is used, the output is low-level.