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PDF CXP825P40 Data sheet ( Hoja de datos )
| Número de pieza | CXP825P40 | |
| Descripción | CMOS 8-bit Single Chip Microcomputer | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXP825P40
CMOS 8-bit Single Chip Microcomputer
Description
The CXP825P40 is a highly integrated CMOS 8-bit
single chip microcomputer which is mainly composed
of an 8-bit CPU, PROM, RAM, and I/O ports. This
microcomputer features many other high-performance
circuits in a single chip CMOS design, including an
A/D converter, serial interface, timer/counter, time-
base timer, capture timer/counter, fluorescent display
tube controller/driver, remote control receiver. Also,
the CXP825P40 provides the power-on reset
function as well as the sleep/stop function which
assures reduced power consumption.
Being a PROM-incorporated version of the CXP82540
which has on-chip mask ROM, the CXP825P40
permits program writing. Therefore, it is ideally suited
for use in system development stage evaluation and
job lot procuction.
80 pin QFP (Plastic)
Structure
Silicon gate CMOS IC
Features
• Instruction set which supports a wide array of data types 213 types
— 16-bit arithmetic instruction/multiplication and division instructions/boolean bit operation instruction
• Minimum instruction cycle
During operation 400ns/10MHz
• Incorporated PROM capacity
40K bytes
• Incorporated RAM capacity
1120 bytes (Including the fluorescent display data area)
• Peripheral functions
— A/D converter
8-bit, 8-channel, successive comparison type
(conversion time: 32µs at 10MHz)
— Serial interface
1-channel data interface with an 8-bit, 8-stage FIFO
(1 to 8 bytes automatic transfer)
1 channel, 8-bit clock synchronized interface
— Timers
8-bit timer
8-bit timer/counter
19-bit time-base timer
16-bit capture timer/counter
— Fluorescent display tube controller/driver
Display of up to 336 segments
1 to 16 digits dynamic display
Dimmer function
High voltage tolerance output (40V)
Built-in pull-down resistor
— Remote control receiver
Built-in noise suppressor circuit
Built-in 8-bit pulse counter and 6-stage FIFO
• Interrupts
14 factors, 15 vectors, multiple interrupt processing
• Standby mode
Sleep/stop
• Package
80-pin plastic QFP
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–
E92Y33A79-PS
1 page  
CXP825P40
Symbol
VFDP
EXTAL
XTAL
RST
I/O
Input
Output
I/O
Vpp
VDD
VSS
Description
Provides voltage for FDP.
Connection for system clock oscillation crystal. When using an external
clock, input normal signal to the EXTAL pin and reverse phase signal to
the XTAL pin.
System reset, active "L". The RST pin is an input/output pin which
outputs a "L" level when the power is turned on and the on-chip power-on
reset circuit.
Positive power supply for the programmable on-chip PROM; connect to
VDD for normal operation.
Positive power supply pin.
GND
–5–
5 Page 
CXP825P40
Recommended Operating Conditions
(Vss = 0V)
Item Symbol Min. Max. Unit
Remarks
4.5 5.5
High-speed mode (1/2, 1/4 clock) guaranteed
operation range
Supply voltage
VDD 3.5
5.5
V Low-speed mode(1/16clock) guaranteed
operation range
High level input
voltage
Low level input
voltage
2.5 5.5
VIH 0.7VDD VDD
VIHS 0.8VDD VDD
VIHEX VDD – 0.4 VDD + 0.3
VIL 0 0.3VDD
VILS
0 0.2VDD
VILEX –0.3
0.4
V
V
V
V
V
V
Guaranteed data hold operation range during stop
∗1
Hysteresis input∗2
EXTAL pin∗3
∗1
Hysteresis input
EXTAL pin∗3
Operating temperature Topr –10
+75 °C
∗1 All regular input ports (PA, PB3, PB4, PB6, PC, PE5, PG).
∗2 For pins RST, CINT, CS0, SCK0, SCK1, EC0/INT0, EC1/INT1 , INT2, INT3, RMC.
∗3 Rating only for external clock input.
– 11 –
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet CXP825P40.PDF ] | |
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