Pin Handling When The High-Speed Switching Circuit For Four-Head Special Playback Is Not Used - Renesas Hitachi H8S/2194 Series Hardware Manual

5 V
V : Microcomputer section power supply voltage
CC
AV : A/D converter power supply voltage
CC
SV : Servo section power supply voltage
CC
Vin : Pin applied voltage
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.
103
104
105
Note: Output depends on the special-effects control register (CHCR) value. If the initial
*
value is used, the output is low-level.
Rev. 1.5, 09/00, page 1034 of 1037
V , AV
CC CC
Pin Name
C.Rotary
H.AMP SW
COMP
SV
CC
2.7 V
Connection
OPEN (output pin)*
OPEN (output pin)*
V
SS
Vin