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CXP82700
Piggyback/
CMOS 8-bit Single Chip Microcomputer
Description
The CXP82700 is a CMOS 8-bit single chip
microcomputer of piggyback/evaluator combined
type, which is developed for evaluating the function
of the CXP82712/82716.
Features
• A wide instruction set (213 instructions) which
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 27C128, LCC type 27C256
(Maximum 16Kbytes are available)
• Incorporated RAM capacity 448 bytes (LCD display data area included)
• Peripheral functions
— A/D converter 8-bit, 8-channel, successive approximation method
(Conversion time of 32µs/10MHz)
— Serial interface Incorporated 8-bit and 8-stage FIFO
(Auto transfer for 1 to 8 bytes), 1 circuit 2channels
— Timer 8-bit timer, 8-bit timer/counter,
19-bit time base timer, 32kHz timer/counter
— Fluorescent display panel controller/driver
Maximum 144 segments display possible
1 to 16-digit dynamic display
24 high voltage drive output port
Dimmer function
High voltage drive output (40V)
On-chip pull-down resistor (Mask option)
Hardware key scan function
(Maximum 8 × 8 key matrix compatible.)
— Remote control receiving circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO
— PWM output 8bit, 1channel
• Interruption 13 factors, 13 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 64-pin ceramic PSDIP
64 pin PSDIP (Ceramic)
evaluator type
Note) Mask option depends on the type of the CXP82700. Refer to the Products List for details.
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.
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E94X11-PP
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Pin Assigument in Piggyback Mode
CXP82700
PH0/TX
PH1/TEX
NC
PE6/ADJ/TO
PB0/CS1
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
PC0/KR0
PC1/KR1
PC2/KR2
PC3/KR3
PC4/KR4
PC5/KR5
PC6/KR6
PC7/KR7
PA0/AN0
PA1/AN1
PA2/AN2
PA3/AN3
PA4/AN4
PA5/AN5
PA6/AN6
PA7/AN7
RST
EXTAL
XTAL
Vss
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
A15
9
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VDD
A14
A13
A8
A9
A11
OE
A10
CE
D7
D6
D5
D4
D3
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
DD
V
PE5/PWM
PE4/RMC
PE3/INT3/NMI
PE2/INT2
PE1/INT1
PE0/EC/INT0
VFDP
T0
T1
T2
T3
T4
T5
T6
T7
T8/S28
T9/S27
T10/S26
T11/S25
T12/S24
T13/S23
T14/S22
T15/S21
S20
S19
S18
S17
S16
PF7/S15
PF6/S14
PF5/S13
Note) 1. NC (Pin 3) is always connected to VDD.
2. PH0/TX (Pin 1) is input port during port selection;
oscillation output during oscillation selection.
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