Sony CXP82860, CXP82852, CXP82840, CXP82832 Datasheet

CXP82832/82840/82852/82860

CMOS 8-bit Single Chip Microcomputer

Description

The CXP82832/82840/82852/82860 is a CMOS 8­bit single chip microcomputer integrating on a single
chip an A/D converter, serial interface, timer/counter,
time base timer, capture timer/counter, fluorescent
display panel controller/driver, remote control
reception circuit, and PWM output besides the basic
configurations of 8-bit CPU, ROM, RAM, and I/O port.

The CXP82832/82840/82852/82860 also provides
sleep/stop function that enables lower power
consumption.

Features

• Wide-range instruction system (213 instructions) to cover various types of data

— 16-bit arithmetic/multiplication and division/boolean bit operation instructions

• Minimum instruction cycle 400ns at 10MHz operation

(122µs at 32kHz operation)

• Incorporated ROM capacity 32K bytes (CXP82832)

40K bytes (CXP82840)
52K bytes (CXP82852)
60K bytes (CXP82860)

• Incorporated RAM capacity 1536 bytes (including fluorescent display area)

• Peripheral functions

— A/D converter 8 bits, 8 channels, successive approximation method

(Conversion time of 32µs/10MHz)

— Serial interface 8-bit, 8-stage FIFO incorporated

(Auto transfer for 1 to 8 bytes), 1 channel
8-bit clock synchronized 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 of 16 × 8 key matrix

supportable)
— Remote control reception circuit 8-bit pulse measurement counter, 6-stage FIFO
— PWM output 14 bits, 1 channel

• Interruption 16 factors, 15 vectors, multi-interruption possible

• Standby mode SLEEP/STOP

• Package 100-pin plastic QFP

• Piggyback/evaluation chip CXP82800 100-pin ceramic QFP

Structure

Silicon gate CMOS IC

100 pin QFP (Plastic)

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 –

E94Y08B74

CXP82832/82840/82852/82860

SS
DD

V
V

RST
XTAL

EXTAL

TX
TEX

PA0 to PA7
8

CL OCK GENERAT OR

SPC 700

PORT A

/SYSTEM CONTROL

CPU CORE

PB0 to PB7
8

PC0 to PC7
8

PORT B

RAM

PD0 to PD7
8

PORT C

PORT D

PE0 to PE5
6

PE6 to PE7
2

PF0 to PF7
8

PORT E

PG0 to PG7
8

PORT F

PH0 to PH7
8

PORT G

PORT H

32KHz

1536 BYTES

TIMER/COUNTER

ROM

BYTES

/52K/60K

32K/40K

PRESCALER/

TIME BASE TIMER

SS

2

INT3/NMI

INT2

INT1

INTERRUP T CONTROLLER

INT0

2

REF

AV

RAM

RAMKEY SCAN

FIFOREMOCON

FIFO

2

2

AV

A/D CONVERT ER

8

AN0 to AN7

FDP

DRIVER

CONTROLLER/

8

16

32

FDP

V

A16 to A23

A24 to A55

1 4 B IT PWM G ENERATO R

8

RMC

PWM

KR0 to KR7

UNIT 0

SERIAL

INTERFACE

SERIAL INTERFACE UNIT 1

SI0

CS0

SI1

SO0

SCK0

SO1

SCK1

8 BIT TI ME R 1

16 BIT CAPTURE

TIMER/COUNTER 2

8 BIT T IMER/ COUNTE R 0

EC0

TO

CINT

EC1

ADJ

G0/A0 to G1 5 /A 1 5

Block Diagram

– 2 –

Pin Assignment (Top View)

CXP82832/82840/82852/82860

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

AVREF
PA0/AN0
PA1/AN1

10
11
12
13
14
15
16
17
18
19
20

23

26

29
30

21
22

24
25

27
28

DD

V

G12/A12

G11/A11

G10/A10

G9/A9

G8/A8

G7/A7

G6/A6

G5/A5

G4/A4

G3/A3

G2/A2

99

100

1
2
3
4
5
6
7
8
9

98

97

96

95

94

93

92

91

90

89

88

G14/A14

G13/A13

86

87

G15/A15

85

A16

84

A17

83

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

Note) 1. NC (Pin 3) must be connected to VDD.

2. VDD (Pins 44 and 89) must be connected to VDD.

– 3 –

DD

V

45

FDP

V

46

48

47

PD1/A54

PD0/A55

49

50

PD3/A52

PD2/A53

PD4/A51

Pin Description

Pin code I/O Functions

(Port A)
8-bit I/O port. I/O can be set in a

PA0/AN0

to

PA7/AN7

I/O/
Analog input

unit of single bits. Incorporation
of the pull-up resistor can be set
through the software in a unit of
4 bits.
(8pins)

CXP82832/82840/82852/82860

Analog inputs to A/D converter.
(8 pins)

PB0/CINT
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1

PC0/KR0

to

PC7/KR7

PD0/A55

to

PD7/A48
PE0/INT0/

EC0
PE1/INT1/

EC1
PE2/INT2
PE3/INT3/

NMI
PE4/RMC
PE5

I/O/Input
I/O/Input
I/O/I/O
I/O/Input
I/O/Output
I/O/I/O
I/O/Input
I/O/Output

I/O/Input

Output/Output

Input/Input/Input

Input/Input/Input
Input/Input
Input/Input/Input
Input/Input

Input

(Port B)
8-bit I/O port. I/O can be set in a
unit of single bits. Incorporation
of the pull-up resistor can be set
through the software in a unit of
4 bits.
(8 pins)

(Port C)
8-bit I/O port. I/O can be set in a
unit of single bits. Can drive
12mA sync current.
Incorporation of the pull-up
resistor can be set through the
software in a unit of 4 bits.
(8 pins)

(Port D)
8-bit output port.
(8 pins)

(Port E)
8-bit port. Lower 6 bits are for
inputs; upper 2 bits are for
outputs.
(8 pins)

Capture input to 16-bit timer/counter.
Chip select input for serial interface (CH0).
Serial clock I/O (CH0).
Serial data input (CH0).
Serial data output (CH0).
Serial clock I/O (CH1).
Serial data input (CH1).
Serial data output (CH1).

Serves as key return inputs when
operating key scan with fluorescent
display panel (FDP) segment signal.

(8 pins)

FDP segment signal (anode
connection) outputs.

External event inputs
Inputs for
external

for timer/counter.

(2 pins)
interruption
request.
(4 pins)

Non-maskable
interruption request input.

Remote control reception circuit input.

PE6/PWM

PE7/TO/ADJ

PF0/A47

to

PF7/A40

Output/Output
Output/Output/

Output

Output/Output

(Port F)
8-bit output port.
(8pins)

14-bit PWM output.
Output for the 16-bit timer/counter

rectangular waves, and 32kHz
oscillation frequency division.

FDP segment signal (anode
connection) outputs.

– 4 –

Pin code I/O Functions

CXP82832/82840/82852/82860

PG0/A39

to

PG7/A32
PH0/A31

to

PH7/A24

G0/A0

to

G15/A15
VFDP

EXTAL
XTAL
TEX
TX
RST

NC

Output/Output

Output/Output

OutputA16 to A23

Output/Output

Input
Output
Input
Output

Input

(Port G)
8-bit output port.
(8 pins)

(Port H)
8-bit output port.
(8 pins)

FDP segment signal (anode
connection) outputs.

(8 pins)
FDP segment signal (anode

connection) outputs.
(8 pins)

FDP segment signal (anode connection) outputs.

(8 pins)

Outputs for FDP timing signals (grid connection)/segment signals (anode
connection).
(16 pins)

FDP voltage supply when incorporated pull-down (PD) resistor is set by
mask option.

Crystal connectors for system clock oscillation. When the clock is
supplied externally, input to EXTAL; opposite phase clock should be
input to XTAL.

Crystal connectors for 32kHz timer/counter clock oscillation. For usage
as event input, input to TEX, and open TX.

Low-level active, system reset

NC. Under normal operation, connect to VDD.
AVREF
AVSS
VDD

VSS

Input

Reference voltage input for A/D converter.

A/D converter GND.

VCC supply.

GND.

– 5 –

I/O Circuit Format for Pins

CXP82832/82840/82852/82860

Pin

PA0/AN0

to

PA7/AN7

8 pins

PB0/CINT
PB1/CS0
PB3/SI0
PB6/SI1

Port A

Port B

Data bus

Data bus

Pull-up resistor
"0" when reset

Port A data

Port A direction

"0" when reset

RD (Port A)

Port A input selection

"0" when reset

A/D converter

Pull-up resistor
"0" when reset

Port B data

Port B direction

"0" when reset

Circuit format

Input multiplexer

∗

IP

Input protection circuit

∗

Pull-up transistor approx. 100kΩ

∗

IP

Schmitt input

When reset

Hi-Z

Hi-Z

4 pins

PB2/SCK0
PB5/SCK1

2 pins

Port B

Pull-up resistor
"0" when reset

Serial clock output enable

Port B output selection

"0" when reset

Port B data

Port B direction

"0" when reset

Data

bus

RD (Port B)

RD (Port B)

SCK OUT

SCK in

CINT

CS0

SI0
SI1

∗

Pull-up transistor approx. 100kΩ

Schmitt input

∗

Pull-up transistor approx. 100kΩ

∗

Hi-Z

IP

– 6 –

CXP82832/82840/82852/82860

Pin

PB4/SO0
PB7/SO1

2 pins

PC0/KR0

to

PC7/KR7

Port B

Pull-up resistor
"0" when reset

Serial data output enable

Port B output selection

"0" when reset

Port B data

Port B direction

"0" when reset

Data

bus

RD (Port B)

Port C

Pull-up resistor

"0" when reset

Port C data

Port C direction

"0" when reset

SO

Circuit format

∗

IP

∗

Pull-up transistor approx. 100kΩ

∗

2

∗

1

IP

When reset

Hi-Z

Hi-Z

8 pins

PE0/EC0/INT0
PE1/EC1/INT1
PE2/INT2
PE3/INT3/NMI
PE4/RMC

5 pins

PE5

1 pin

Data bus

Port E

Port E

RD (Port C)

Key input signal

IP

IP

Schmitt input

∗

1

Large current 12mA

∗

2

Pull-up transistor approx. 100kΩ

EC0/INT0
EC1/INT1
INT2
INT3/NM1
RMC

Data bus

RD (Port E)

Data bus

RD (Port E)

Hi-Z

Hi-Z

– 7 –