Renesas Hitachi H8S/2194 Series Hardware Manual page 39

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