AN3389SB
s
Pin Descriptions (cont.)
Pin No.
Pin name
DC voltage (V
CC
=5V)
(For playback)
20kΩ
ICs for VCR
Equivalent circuit
Description
21
PBCONT
21
200Ω
Playback mode control. Manual,
auto, or still/slow mode is selected
when this pin is high, middle, or
low respectively. Pin36 selects still
or slow mode.
20Ω
50kΩ
200Ω
22
SYNC
22
SYNC signal input. Recording
AGC operates when this pin is high.
200Ω
23
DFF IN
23
DRUM.FF signal input
20kΩ
20kΩ
Color rotation control signal output.
24
DFF OUT
24
This pin goes low when + azimuth
head (ch1 or ch3) is selected, and
goes high when – azimuth head
(ch2 or ch4)is selected.
EP/SP mode selection control.
200Ω
25
EPSPSW
5V
25
The EP mode is selected when this
pin is high, and the SP mode is
selected when this pin is low.
8
PANASONIC [ PANASONIC SEMICONDUCTOR ]
