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MX-GA77
1-42
PT8300 (UIC03, UIC04) : DRAM
1.Pin layout
2.Block diagram
VSS
/RESET
CLK
LATCH
P15
P14
P13
P12
P11
P10
P9
P8
LATCH0
CLK0
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VDD
PULLUP
DI1
DO2
P0
P1
P2
P3
P4
P5
P6
P7
DI2
DO1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PULLUP
27
28
1
4
3
26
2
14
16
13
25
15
VDD
VSS
LATCH
LATCH
LATCH 16-BIT
LATCH0
CLK
DI1
DI
DO
DI2
DO2
DO1
/RESET
RESET
RESET
SHIFT REGISTER2: 16-BIT SHIFT REGISTER SERIAL TO PARALLEL
SHIFT REGISTER1: 16-BIT SHIFT REGISTER SERIAL TO PARALLEL
/RESET
CLKO
CLK
DI
D0
Q0
O0
P0
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10 P11 P12 P13 P14
P15
O7 O8
I7
I8
O15
I15
Q15
DO
D15
I0
CLK
Pin No.
1
2
3
4
5-12
13
14
15,25
26,17
17-24
27
28
Pin Name
VSS
/RESET
CLK
LATCH
P15~P8
LATCHO
CLKO
DO1, DO2
DI1, DI2
P7~P0
PULLUP
VDD
I/O
-
I
I
I
I/O
O
O
O
I
O
I
-
Function
Ground
Reset pin
Clock input pin
Latch input pin
Parallel data I/O pins
Latch output pin
Clock output pin
Serial data output pins
Serial data input pins
Parallel data output pin
P8 to P15 control pin for internal pull-up resistor
When P8 to P15 are in the output state, the PULLUP pin must be connected to VDD.
When P8 to P15 are in the input state, the PULLUP pin must be connected to VSS.
Power supply pin
3. Pin function
Содержание MX-GA77
Страница 25: ...1 25 MX GA77 Troubleshooting 1 Amplifier Power malfunction No output ...
Страница 26: ...MX GA77 1 26 2 Tuner malfunction FM AM 3 Tape ...
Страница 27: ...1 27 MX GA77 4 CD ...
Страница 28: ...MX GA77 1 28 5 CD MP3 parts ...
Страница 43: ...1 43 MX GA77 M E M O ...
Страница 50: ...MX GA77 2 4 A B C D 1 2 3 4 5 To CW101 Sheet 1 5 MX GA77 fornt FL display System control section UCW03 UCW05 ...
Страница 51: ...2 5 MA GA77 E F G SHEET 2 5 To CW105 Sheet 4 5 UCW04 UCW02 ...
Страница 52: ...MX GA77 2 6 A B C D 1 2 3 4 5 Amp section To CW106 Sheet 1 5 To CW105 Sheet 1 5 MX GA77 JUS amp ...
Страница 54: ...MX GA77 2 8 A B C D 1 2 3 4 5 CD section To Switc To CW2 Sensor board ...
Страница 55: ...2 9 MA GA77 E F G SHEET 4 5 CD signal To CW104 SHEET 1 5 To UCW04 SHEET 2 5 To CW3 Switch board ...
Страница 56: ...MX GA77 2 10 A B C D 1 2 3 4 5 Tuner section To CW103 SHEET 1 5 ...
Страница 57: ...2 11 MA GA77 E F G FM TUNER signal AM signal SHEET 5 5 ...
Страница 58: ...MX GA77 2 12 A B C D 1 2 3 4 5 Main board M Printed circuit boards ...
Страница 59: ...2 13 MA GA77 E F G Main board ...
Страница 60: ...MX GA77 2 14 A B C D 1 2 3 4 5 CD switch boa Front board Front board ...
Страница 61: ...2 15 MA GA77 E F G h board oard ...
Страница 62: ...MX GA77 2 16 A B C D 1 2 3 4 5 Amp board ...
Страница 63: ...2 17 MA GA77 E F G ...
Страница 64: ...MX GA77 2 18 A B C D 1 2 3 4 5 CD servo board ...
Страница 65: ...2 19 MA GA77 E F G Fuse board Trans board Power supply board ...
Страница 87: ...MX GA77 3 21 M E M O ...