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PDF CXP82712 Data sheet ( Hoja de datos )
| Número de pieza | CXP82712 | |
| Descripción | CMOS 8-bit Single Chip Microcomputer | |
| Fabricantes | Sony Corporation | |
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CXP82712/82716
CMOS 8-bit Single Chip Microcomputer
Description
The CXP82712/82716 microcomputer is composed
64 pin SDIP (Plastic)
of a 8-bit CPU, ROM, RAM, and I/O ports. These
chips feature many other high-performance circuits
in a single-chip CMOS design, including an A/D
converter, serial interface, timer/counter, time base
timer, fluorescent display controller/driver, remote
control receiver, PWM output circuit and 32kHz
timer/counter.
This device also includes sleep/stop functions which
can be used to achieve low power consumption.
Structure
Features
Silicon gate CMOS IC
• Instruction set which supports a wide array of data types
— 213 types of instructions which include 16-bit calculations, multiplication and division arithmetic, and
boolean bit operations.
• Minimum instruction cycle
400ns for 10MHz, 122µs for 32kHz operation
• On-chip ROM
12K bytes (CXP82712)
16K bytes (CXP82716)
• On-chip RAM
448 bytes (Including fluorescent display data area)
• Peripheral functions
— A/D converter
8-bit, 8-channel, successive approximation system
(conversion rate 32µs/10MHz)
— Serial interface
On-chip 8-bit, 8-stage FIFO (1 to 8 bytes auto transfer),
1 circuit 2-channel
— Timers
8-bit timer
8-bit timer/counter
19-bit time base timer
32kHz timer/counter
— Fluorescent display controller/driver 24 high voltage tolerance output ports
Maximum of 144 segments display available
1 to 16 digits dynamic display
Dimmer function
High voltage tolerance output (40V)
On-chip pull-down resistor (Mask option)
Hardware key scan function (Maximum of 8 × 8 key matrix available)
— Remote control receiver circuit
On-chip 6-stage FIFO 8-bit pulse measurement counter
— PWM output
8-bit, 1-channel
• Interruption
13 factors, 13 vectors, multi-interruption possible
• Standby mode
Sleep/stop
• Package
64-pin plastic SDIP
• Piggyback/evaluator
CXP82700 64-pin ceramic SDIP
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–
E93Y23A79-PS
1 page  
CXP82712/82716
Symbol
PF5/S13
to
PF7/S15
S16 to S20
T8/S28
to
T15/S21
T0 to T7
VFDP
EXTAL
XTAL
PH1/TEX
PH0/TX
RST
NC
VDD
Vss
I/O
Output/Output
Output
Output/Output
Output
Input
Output
Input/Input
Input/Output
Input
Functions
(Port F)
3-bit output port.
(3 pins)
Segment signal output for FDP.
Segment signal output for FDP.
Dual purpose output for FDP timing and segment signals.
Timing signal output for FDP.
Provides voltage for FDP when on-chip resistor is selected under 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.
(Port H)
2-bit input
port.
(2 pins)
Crystal connectors for 32kHz timer/counter clock
oscillation circuit. Connect a 32kHz crystal oscillator
between TEX and TX. For usage as event input, connect
clock oscillation source to TEX, and leave TX open.
System reset pin of active "L" level. RST is input pin.
NC.
Under normal operating conditions, connect to VDD.
Vcc supply.
GND
–5–
5 Page 
CXP82712/82716
Recommended Operating Conditions
(Vss = 0V)
Item
Symbol Min.
Max. Unit
Remarks
4.5
5.5
V
High speed mode (1/2, 1/4 dividing clock)
guaranteed operation range
Supply voltage
VDD
3.5
5.5
V
Low speed mode (1/16 dividing clock)
guaranteed operation range
2.7 5.5 V Guaranteed operation range with TEX clock
High level
input voltage
Low level
input voltage
2.5
5.5
V
Guaranteed data hold operation range
during stop
VIH
0.7VDD
VDD
V ∗1
VIHS
0.8VDD
VDD
V Hysteresis input∗2
VIHEX VDD – 0.4 VDD + 0.3 V EXTAL pin∗3
VIL
0
0.3VDD
V ∗1
VILS
0
0.2VDD
V Hysteresis input∗2
VILEX
–0.3
0.4 V EXTAL pin∗3
Operating temperature Topr –20 +75 °C
∗1 All regular input port (PA, PB4, PB7, PC, PH).
∗2 For pins RST, CS0, CS1, SCK0, SI0, SI1, SCK1, EC/INT0, INT1, INT2, INT3/NMI, RMC.
∗3 Specifies only for external clock input.
– 11 –
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet CXP82712.PDF ] | |
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