Advertisement
IC CIRCUIT DESCRIPTION
1C601 - LC78620E (CONT'D)
CLRSY_
Anti-shock correspondence
Input terminal for testing. Normally "L".
input. (unused, "L".)
Word clock output. (When unused, "L".)
ROMXA correspondence input
L/R clock output.
Bit clock output.
DACLK (At the time of RES)
Polarity reverse (CK2CON mode)
Data output
Data (Supplement
(At
the
time of RES)
ROMOUT (ROMXA mode)
C2 Frag output.
Mute output terminal.
Power supply terminal for L channel. Normally 5V.
L channel P output terminal.
L channel N output terminal.
Earthing terminal for L channel. Normally OV.
Earthing terminal for R channel. Normally OV.
R channel N output terminal.
R channel P output terminal.
7
| 54
| RVo
|
|
Earthing terminal for R channel. Normally 5V.
MUTER|
O |
Mute output terminal.
|
56
DOUT
i tor
Digital OUT output terminal.
SBSY
Output terminal for synchronous signal of sub-code block.
EFLG
Terminal for monitoring C1, C2, single, double correction.
Output terminal for sub-code P, Q, R, S, T, U, W.
ee
Output terminal for synchronous signal of sub-code frame. When sub-code is in
standby, "=L".
Input terminal for sub-code readout clock. Schmidt input
Output terminal for 7.35KHz synchronous signal which is divided frequency from crystal
oscillation.
|
D " <
41
43
44
ROMAX
"6
48
4
For 1bit DAC
Cc + m
LCHP
so
ives |
Ts | Aves |
[se [AcHn | O
[sa [ACHP | O
2) aed ~ <
" 02)
©
A
= O
D
©)
S
|
Output terminal for sub-code Q output standby.
Input terminal for read/write control.
SQOUT
Sub-code Q output terminal
CON
3
3
K
11
R
©
z
Input terminal for command input intake clock, or sub- code offtake clock from SQOUT.
Schmidt input.
|
Chip reset input terminal. When power is supplied, changeover to "L" once.
Input terminal for testing. Open (normally "L" output).
Output terminal for laser ON/OFF. Controls by serial data command from micro com-
puter.
Input terminal for command from micro computer
C
M
16
—
16.9344MHz output terminal.
But outputs 33.8688MHz,
only in case of quadruple
speed playback mode
4.2336MHz output terminal
CONT
TESTS5
CS
<
Vv) #)
Chip select input terminal. Pulidown resistance is self-contained
Earthing terminal for crystal oscillation. Normally OV
xv00
TEST1
Input terminal for testing. Pulldown resistance is self-contained.
Connecting terminal for 16.9344MHz crystal oscillator.
Connects 33.8688MHz crystal oscillator, in case of quadruple speed playback system
Power supply terminal for crystal oscillation. Normally 5V.
Input terminal for testing. Pulldown resistance is self-contained...
Spare output terminal. Controls by seria! data command from micro computer.
°
e
.
s
x< < s) o
57
61
67
70
71
72
73
74
75
76
77
78
79
Advertisement
