Integrated Circuit Terminal Arrangements - Sharp LC-20VM2E Service Manual

LC-20VM2E

7. INTEGRATED CIRCUIT TERMINAL ARRANGEMENTS

7-1. IC2001 (QFP, 80pins) MICRO CONTROLER
Terminal No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
Terminal name I/O
N. C
N. C
SCL I/O
SDA I/O
H PDET
DCLK
DOUT
DIN
FS MUT
RS MUT
N. C
N. C
CSYNC
KEY1
REQ
GAEN
MRDY
SIN
SCLK I/O
SOUT
N. C
5 VIN
SCAN
LMUTE
N. C
N. C
CNV s s
φ
RESET
Xin
Xout
V s s
STB
POWOUT
COCS
DACS
DA2CS
232CCS
N. C
N. C
L/R
YC
AV/RGB
Y/COM
IN/OUT
N358
N443
PAL
SECAM
–
–
I 2 C bus serial clock line
I 2 C bus serial data line
I Headphon input pickup
O Clock for communication
O Data output for communication
I Data input for communication
O Front speaker MUTE output
O Rear speaker MUTE output
–
–
I Composite sync signal input
I Key input 1
O "H" in SECAM mode, "L" in other modes.
I G/A read enable
2
I I C bus opening/connection selection input
I 232C data input
232C clock signal
O 232C data output
–
I DC/DC5V voltage input
O PAL scanning line switching
O Lineout-Mute output
–
–
GND connection
O Timing output
I Change to "Reset mode" in "L" state
I Microcomputer oscillator connection
O Microcomputer oscillator connection
I GND terminal
O Microcomputer power OFF output
O DC/DC control output
O G/A chip selection output
O D/A chip selection output
O D/A2 chip selection output
O 232C chip selection output
–
–
O When the right and left are reversed: H, Normal: L
O Dynamic YC separation
O Analog SW selection 2
O Analog SW selection 3
O Video 2 input/monitor output switching
O "H" in N358 mode, "L" in other modes.
O "H" in N443 mode, "L" in other modes.
O "H" in PAL mode, "L" in other modes.
O "H" in SECAM mode, "L" in other modes.
20
Function
LC-121M2E
LC-150M2E
Type
—
—
OD
OD
OD
OD
OD
OD
OD
OD
—
—
OD
OD
PP
PP
OD
OD
PU
OD
—
OD
OD
OD
—
—
—
PP
—
—
—
—
PP
PP
PP
PP
PP
PP
—
—
PP
PP
PP
PP
PP
PP
PP
PU
PU