Sony CXP82500 Datasheet

CMOS 8-bit Single Chip Microcomputer

Description

The CXP82500 is a CMOS 8-bit single chip micro­computer of piggyback/evaluator combined type, which
is developed for evaluating the function of the
CXP82532/82540.

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

• Applicable EPROM LCC type 27C512 (Maximum 40K bytes are available.)

• Incorporated RAM capacity 1120 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

— Timer 8-bit timer

8-bit timer/counter
19-bit time base timer
16-bit capture timer/counter

— Fluorescent display panel controller/driver

Maximum 336 segment display possible
1 to 16-digit dynamic display
Dimmer function
High voltage drive output (40V)
On-chip pull-down resistor (Mask option)
Hardware key scan function (Maximum 16 × 8 key matrix compatible)

— Remote control reception circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO

• Interruption 14 factors, 14 vectors, multi-interruption possible

• Standby mode Sleep/stop

• Package 80-pin ceramic QFP
Note) Mask option depends on the type of the CXP82500. Refer to the Products List for details.

Structure

Silicon gate CMOS IC

– 1 –

E93863A78-PS

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.

CXP82500

80 pin PQFP (Ceramic)

Piggyback/
evaluator type

– 2 –

CXP82500

Pin Assignment in Piggyback Mode

PE3/INT3

PE4/RMC

PE5
PE6

PE7/TO

PB0/CINT

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

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
PF4/S12
PF3/S11
PF2/S10
PF1/S9
PF0/S8
PD7/S7

PA3/AN3

PA4/AN4

PA5/AN5

PA6/AN6

PA7/AN7

RST

EXTAL

XTAL

V

SS

PD0/S0

PD1/S1

PD2/S2

PD3/S3

PD4/S4

PD5/S5

PD6/S6

PE2/IN2

PE1/EC1/INT1

PE0/EC0/INT0

PG3

PG2

PG1

PG0

NC

V

DD

V

FDP

T0

T1

T2

T3

T4

T5

A8
A9
A11
NC
OE
A10
CE
D7
D6

A6
A5
A4
A3
A2
A1
A0

NC

D0

A7

A12

A15

NC

V

DD

A14

A13

D1

D2

GND

NC

D3

D4

D5

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

40

39

38

37

36

35

34

31

32

33

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

70

69

68

67

63

64

65

66

61

62

71

72

73

74

75

76

77

78

79

80

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

1

Note) NC (Pin 73) is always connected to VDD.