Microcomputer. CXP82940 Datasheet

CXP82940 Datasheet PDF

Part CXP82940
Description CMOS 8-bit Single Chip Microcomputer
Feature CXP82940; CXP82940/82948/82952/82960 CMOS 8-bit Single Chip Microcomputer Description The CXP82940/82948/82952.
Manufacture Sony Corporation
Datasheet
Download CXP82940 Datasheet




CXP82940
CXP82940/82948/82952/82960
CMOS 8-bit Single Chip Microcomputer
Description
The CXP82940/82948/82952/82960 is a CMOS 8-bit
single chip microcomputer integrating on a single
chip an A/D converter, serial interface, timer/counter,
time base timer, fluorescent display panel
controller/driver, I2C bus interface, remote control
transmission circuit, remote control reception circuit,
and 32kHz timer/counter besides the basic
configurations of 8-bit CPU, ROM, RAM, and I/O
port.
80 pin QFP (Plastic)
Features1
Wide-range instruction system (213 instructions)
Structure
Silicon gate CMOS IC
to cover various types of data
— 16-bit arithmetic/multiplication and division/boolean bit operation instructions
Minimum instruction cycle
250ns at 16MHz operation
(122µs at 32kHz operation)
Incorporated ROM capacity
40K bytes (CXP82940)
48K bytes (CXP82948)
52K bytes (CXP82952)
60K bytes (CXP82960)
Incorporated RAM capacity
2048 bytes (including fluorescent display area)
Periphera; functions
— A/D converter
8-bit, 8-channel, successive approximation method
(Conversion time of 20µs/16MHz)
— Serial interface
Buffer RAM incorporated (Auto transfer for 1 to 32 bytes), 1 channel
8-bit, 8-stage FIFO incorporated
(Auto transfer for 1 to 8 bytes), 1 channel
— Timers
8-bit timer, 8-bit timer/counter, 19-bit time base timer
32kHz timer/counter
— Fluorescent display panel controller/driver Maximum of 196 segments display possible
1 to 16-digit dynamic display
Dimmer function
High voltage drive output (40V)
Incorporated pull-down resistor (Mask option)
Hardware key scan function
Maximum of 12 × 8 key matrix supportable
— I2C bus interface
— Remote control transmission circuit
Auto transmission for 1 to 32 bytes,
restart function, carrier output function
— Remote control reception circuit
8-bit pulse measurement counter, 6-stage FIFO
Interruption
16 factors, 15 vectors, multi-interruption possible
Standby mode
SLEEP/STOP
Package
80-pin plastic QFP
Piggyback/evaluation chip
CXP82900 80-pin ceramic QFP
Perchase of Sony’s I2C components conveys a licence under the Philips I2C Patent Rights to use these components
in an I2C system, provided that the system conforms to the I2C Standard Specifications as defined by Philips.
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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E95130-PK



CXP82940
CXP82940/82948/82952/82960
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CXP82940
Pin Assignment (Top View)
CXP82940/82948/82952/82960
PE1/INT1
PE2/INT2
PE3/INT3/NMI
PE4/RMC
PE5
PE6/RMCO
PE7/TO/ADJ
PB0
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
PA0/AN0
PA1/AN1
PA2/AN2
PA3/AN3
PA4/AN4
PA5/AN5
PA6/AN6
PA7/AN7
AVDD
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
1 64
2 63
3 62
4 61
5 60
6 59
7 58
8 57
9 56
10 55
11 54
12 53
13 52
14 51
15 50
16 49
17 48
18 47
19 46
20 45
21 44
22 43
23 42
24 41
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
T7
T8/S19
T9/S18
T10/S17
T11/S16
T12/S15
T13/S14
T14/S13
T15/S12
S11
S10
S9
S8
PD7/S7
PD6/S6
PD5/S5
PD4/S4
PD3/S3
PD2/S2
PD1/S1
PD0/S0
VFDP
PC7/KR7
PC6/KR6
Note) NC (Pin 75) must be connected to VDD.
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