
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.
Содержание Hitachi H8S/2191
Страница 123: ...Rev 2 0 11 00 page 96 of 1037...
Страница 149: ...Rev 2 0 11 00 page 122 of 1037...
Страница 197: ...Rev 2 0 11 00 page 170 of 1037...
Страница 247: ...Rev 2 0 11 00 page 220 of 1037...
Страница 249: ...Rev 2 0 11 00 page 222 of 1037...
Страница 347: ...Rev 2 0 11 00 page 320 of 1037...
Страница 357: ...Rev 2 0 11 00 page 330 of 1037...
Страница 417: ...Rev 2 0 11 00 page 390 of 1037...
Страница 431: ...Rev 2 0 11 00 page 404 of 1037...
Страница 439: ...Rev 2 0 11 00 page 412 of 1037...
Страница 457: ...Rev 2 0 11 00 page 430 of 1037...
Страница 525: ...Rev 2 0 11 00 page 498 of 1037...
Страница 543: ...Rev 2 0 11 00 page 516 of 1037...
Страница 639: ...Rev 2 0 11 00 page 612 of 1037 28 1 2 Block Diagram Figure 28 1 shows a block diagram of the servo circuits...
Страница 845: ...Rev 2 0 11 00 page 818 of 1037...