Rev. 2.0, 11/00, page 12 of 1037
Type
Symbol
Pin No.
I/O
Name and Function
CTL Amp
(o)
6
Output
CTL amp output:
Output pin for CTL amp
CTL SMT
(l)
7
Input
CTL Schmitt amp input:
Input pin for CTL Schmitt amp
CTLFB
5
Input
CLT feedback input:
Input pin for CTL amp high-range characteristics
control
CTLREF
112
Output
CTL amp reference voltage output:
Output pin for 1/2Vcc (SV)
CFG
8
Input
Capstan FG input:
Schmitt comparator input pin for CFG signal
DFG
108
Input
Drum FG input:
Schmitt input pin for DFG signal
DPG/PS3
107
Input,
input/
output
Drum PG input:
Schmitt input pin for DPG signal. This pin can
also be used as a general port when not used
EXCTL
/PS4
106
Input,
input/
output
External CTL input:
Input pin for external CTL signal. This pin can
also be used as a general port when not used
Csync
98
Input
Mixed sync signal input:
Input pin for mixed sync signal
EXCAP
91
Input
Capstan external sync signal input:
Signal input pin for external synchronization of
capstan phase control
EXTTRG
90
Input
External trigger signal input:
Signal input pin for synchronization with
reference signal generator
SV1
92
Output
Servo monitor output pin 1:
Output pin for servo module internal signal
SV2
93
Output
Servo monitor output pin 2:
Output pin for servo module internal signal
Servo
circuits
PPG7 to
PPG0
89 to
85, 83,
81, 80
Output
PPG:
Output pin for HSW timing generator. To be
used when head switching is required as well as
Audio FF and Video FF
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...