CXP82800
CMOS 8-bit Single Chip Microcomputer
Description
The CXP82800 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type,
which is developed for evaluating the function of the
CXP82832/82840/82852/82860.
Features
• Wide-range instruction system (213 instructions) to
cover various types of data
—16-bit operation/multiplication and division/
Boolean bit operation instructions
• Minimum instruction cycle 400ns at 10MHz operation
122µs at 32kHz operation
• Applicable EPROM LCC type 27C512 (Maximum 60K bytes are available.)
• Incorporated RAM capacity 1536 bytes (Including fluorescent display data area)
• Peripheral functions
— A/D converter 8-bit, 8-channel, successive approximation method
(Conversion time of 32µs/10MHz)
— Serial interface Incorporated 8-bit, 8-stage FIFO
(Auto transfer for 1 to 8 bytes), 1 channel
8-bit clock sync type, 1 channel
— Timers 8-bit timer
8-bit timer/counter
19-bit time base timer
16-bit capture timer/counter
32kHz timer/counter
— Fluorescent display panel controller/driver Supports the universal grid fluorescent display panel.
High voltage drive output port of 56 pins (40V)
Maximum of 640 segments display possible
Display timing number of 1 to 20
Dimmer function
Incorporated pull-down resistor (Mask option)
Hardware key scan function
(Maximum 16 × 8 key matrix compatible)
— Remote control receiving circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO
— PWM output 14 bits, 1 channel
• Interruption 16 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 100-pin ceramic PQFP
Note) Mask option depends on the type of the CXP82800. Refer to the Products List for details.
100 pin PQFP (Ceramic)
Piggyback/evaluator
Structure
Silicon gate CMOS IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
– 1 –
E96529-ST
Pin Configuration in Piggyback Mode
CXP82800
G1/A1
G0/A0
NC
PE0/EC0/INT0
PE1/EC1/INT1
PE2/INT2
PE3/INT3/NMI
PE4/RMC
PE5
PE6/PWM
PE7/TO/ADJ
PC0/KR0
PC1/KR1
PC2/KR2
PC3/KR3
PC4/KR4
PC5/KR5
PC6/KR6
PC7/KR7
PB0/CINT
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
REF
AV
PA0/AN0
PA1/AN1
10
12
13
14
15
16
17
18
19
11
20
21
22
23
24
25
26
27
28
29
30
100
G2/A2
99
G3/A3
98
G4/A4
97
G5/A5
96
G6/A6
95
G7/A7
94
G8/A8
93
G9/A9
92
G11/A11
G10/A10
91
90
DD
V
G12/A12
89
G13/A13
88
87
G14/A14
86
A16
G15/A15
84
85
A17
83
1
2
3
4
5
6
7
A12
8
A7
A15
NC
DD
V
A14
A13
9
32
1
A6
A5
A4
A3
A2
A1
A0
NC
D0
10
12
13
8
11
2
3
4
5
6
7
9
14
D1
15
D2
16
17
GND
18
NC
D3
19
31
D4
30
20
D5
29
28
27
26
25
24
23
22
21
A8
A9
A11
NC
OE
A10
CE
D7
D6
A18
82
A19
81
A20
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
A21
A22
A23
PH7/A24
PH6/A25
PH5/A26
PH4/A27
PH3/A28
PH2/A29
PH1/A30
PH0/A31
PG7/A32
PG6/A33
PG5/A34
PG4/A35
PG3/A36
PG2/A37
PG1/A38
PG0/A39
PF7/A40
PF6/A41
PF5/A42
PF4/A43
PF3/A44
PF2/A45
PF1/A46
PF0/A47
PD7/A48
PD6/A49
PD5/A50
32
31
PA2/AN2
33
34
PA4/AN4
PA3/AN3
35
PA5/AN5
37
36
PA7/AN7
PA6/AN6
SS
AV
38
39
RST
40
XTAL
EXTAL
41
Vss
42
TX
43
44
TEX
DD
V
45
FDP
V
Note) 1. NC (Pin 3) is always connected to VDD.
2. VDD (Pins 44 and 89) are both connected to VDD.
– 2 –
46
47
PD0/A55
49
48
PD2/A53
PD1/A54
50
PD4/A51
PD3/A52