Sony BVW-55 Maintenance Manual page 642

IC
UPD78P014GC-AB8 (NEC)
8-BIT SINGLE CHIP MICROCOMPUTER WITH ONE TIME PROM
—TOP VIEW—
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PIN PIN
I/O SIGNAL I/O
NO. NO.
1 I/O P30/TO0 17 I/O
2 I/O P31/TO1 18 I/O
3 I/O P32/TO2 19 I/O
4 I/O P33/TI1 20 I/O
5 I/O P34/TI2 21 I/O
6 I/O P35/PCL 22 I/O
7 I/O P36/BUZ 23 I/O
8 I/O P37 24 I/O
9 — GND 25 I/O
10 I/O P40/AD0 26 I/O
11 I/O P41/AD1 27 I/O
12 I/O P42/AD2 28 I/O
13 I/O P43/AD3 29 I/O
14 I/O P44/AD4 30 I/O
15 I/O P45/AD5 31 I/O
16 I/O P46/AD6 32 I/O
1
16-BIT TIMER/
TO0
EVENT
36
TI0 COUNTER
2
8-BIT TIMER/
TO1
EVENT
4
TI1 COUNTER 1
3
8-BIT TIMER/
TO2
EVENT
5
TI2 COUNTER 2
WATCHDOG
TIMER
WATCH
TIMER
62
SI0/SB0
63 SERIAL
SO0/SB1
INTERFACE 0
64
SCK0
57
SI1
58
SO1
SERIAL
59
SCK1
INTERFACE 1
60
STB
61
BUSY
47 - 54
ANI0 - ANI7
A/D
56
CONVERTER
AV
REF
36 - 39
INTERRUPT
INTP0 - INTP3
CONTROL
2-92
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
PIN PIN
SIGNAL I/O SIGNAL I/O
NO. NO.
WAIT
P47/AD7 33 I/O P66/ 49 I
P50/A8 34 I/O P67/ASTB 50 I
RESET
P51/A9 35 I 51 I
P52/A10 36 I P00/INTP0/TI0 52 I
P53/A11 37 I/O P01/INTP1 53 I
P54/A12 38 I/O P02/INTP2 54 I
P55/A13 39 I/O P03/INTP3 55 —
GND 40 — V 56 —
DD
P56/A14 41 O X2 57 I/O
P57/A15 42 I X1 58 I/O
P60 43 — V 59 I/O
PP
P61 44 — XT2 60 I/O
P62 45 I P04/XT1 61 I/O
P63 46 — A 62 I/O
GND
RD
P64/ 47 I P10/ANI0 63 I/O
WR
P65/ 48 I P11/ANI1 64 I/O
PROGRAM
COUNTER
GENERAL
REG.
ONE TIME DECODE
RAM
PROM AND
DATA
32,768 x 8-BIT CONTROL
MEMORY
1,024 x 8-BIT
ALU PSW SP
CLOCK
CLOCK
GENERATOR
BUZZER CLOCK STANDBY
OUTPUT
OUTPUT DIVIDER CONTROL
CONTROL
SUB MAIN
7 6 45 44 42 41
RESET
BUZ PCL XT1 XT2 X1 X2
P30/TO0
35
RESET P31/TO1
P32/TO2
41
X2 P33/TI1
42
X1 P34/TI2
P35/PCL
P36/BUZ
44
XT2
36
P00/INTP1/TI0 P40/AD0
37
P01/INTP1 P41/AD1
38
P02/INTP2 P42/AD2
39
P03/INTP3 P43/AD3
45
P04/XT1 P44/AD4
P45/AD5
P46/AD6
56
AV P47/AD7
REF
47
P10/ANI0 P50/A8
48
P11/ANI1 P51/A9
49
P12/ANI2 P52/A10
50
P13/ANI3 P53/A11
51
P14/ANI4 P54/A12
SIGNAL
52
P15/ANI5 P55/A13
53
P12/ANI2
P16/ANI6 P56/A14
54
P13/ANI3
P17/ANI7 P57/A15
P14/ANI4
P15/ANI5
57
P16/ANI6
P20/SI1
58
P17/ANI7
P21/SO1
59
AV
DD
SCK1
P22/
60
AV
REF
P23/STB
61
P20/SI1
P24/BUSY P64/
62
P21/SO1
P25/SI0/SB0 P65/
SCK1
63
P22/
P26/SO0/SB1 P66/
64
P23/STB
SCK0
P27/ P67/ASTB
P24/BUSY
P25/SI0/SB0
P26/SO0/SB1
SCK0
P27/
35, 45
P00 - P04
PORT0
37 - 39
P01 - P03
47 - 54
PORT1 P10 - P17
57 - 64
PORT2 P20 - P27
1 - 8
PORT3 P30 - P37
10 - 17
PORT4 P40 - P47
18 - 23,
25, 26
PORT5 P50 - P57
XRD7523AID-JTR (EXAR)
27 - 34
PORT6 P60 - P67
C-MOS 8-BIT D/A CONVERTER
—TOP VIEW—
10 - 17
AD0 - AD7
18 - 23,
25, 26
OUT 1
A8 - A15
EXTERNAL
31
RD
ACCESS
OUT 2
32
WR
33
WAIT
34
ASTB
D0
(MSB)
35
D1
D2
D3
D4
V
REF
INPUTS
1
ANI0 - ANI7 : ANALOG
2
AV : ANALOG REFERENCE VOLTAGE
REF
3
BUSY : BUSY
4
INTP0 - INTP3 : INTERRUPT FROM PERIPHERALS
5
P00, P04 : PORT0
6
P10 - P17 : PORT1
7
RESET
: RESET
8
P37
SI0, SI1 : SERIAL
TI0 - TI2 : TIMER
WAIT : WAIT
10
X1, X2 : CRYSTAL (MAIN SYSTEM CLOCK)
11
XT1, XT2 : CRYSTAL (SUB SYSTEM CLOCK)
12
13
OUTPUTS
14
A8 - A15 : ADDRESS BUS
15
ASTB : ADDRESS STROBE
16
BUZ : BUZZER CLOCK
17
PCL : PROGRAMMABLE CLOCK
RD : READ STROBE
SO0, SO1 : SERIAL
18
STB : STROBE
19
TO0 - TO2 : TIMER
20
WR : WRITE STROBE
21
22
INPUTS/OUTPUTS
23
AD0 - AD7 : ADDRESS/DATA BUS
25
P01 - P03 : PORT0
26
P20 - P27 : PORT2
P30 - P37 : PORT3
P40 - P47 : PORT4
27
P60
P50 - P57 : PORT5
28
P61
P60 - P67 : PORT6
29
P62
SB0, SB1 : SERIAL BUS
30
P63
SCK0, SCK1 : SERIAL CLOCK
31
RD
32
WR
33
WAIT
34
4
D0
1 16
R
FB IN 5
D1
6
D2
2 15
V
REF IN 7
D3
8
D4
3 GND V 14
DD
9
D5
10
D6
4 NC 13
IN
11
D7
5 NC 12
IN
15
V
REF
16
R
FB
D7
IN
6 11
IN
(LSB)
7 10 D6
IN IN
D5
IN 8 9 IN
R R R
15
2R 2R 2R 2R
S-1 S-2 S-3 S-8
4 5 6 11
10 K
D0 D1 D2 D7
MP7523 : R = 10 K
XRD7523 : R = 20 K
1
OUT 1
2
OUT 2
2R
2
OUT 2
1
OUT 1
16
R
FB
BVW-55