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PDF S3P7544 Data sheet ( Hoja de datos )
| Número de pieza | S3P7544 | |
| Descripción | Single-chip CMOS microcontroller/ 512 x 4-bit RAM/ 4096 x 8-bit ROM | |
| Fabricantes | Samsung semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de S3P7544 (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
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S3C7544/P7544
PRODUCT OVERVIEW
1 PRODUCT OVERVIEW
OVERVIEW
The S3C7544 single-chip CMOS microcontroller is designed for high-performance using Samsung's newest
4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).
With a versatile 8-bit timer/counter and a D/A converter, the S3C7544 offers an excellent design solution for a
wide variety of telecommunication applications.
Up to 17 pins of the 24-pin SDIP package can be dedicated to I/O. Four vectored interrupts provide fast response
to internal and external events. In addition, the S3C7544’s advanced CMOS technology has realized substantially
lower power consumption with a wide operating voltage range — all at a substantially lower cost.
OTP
The S3C7544 microcontroller is also available in OTP (One Time Programmable) version, S3P7544.
S3P7544 microcontroller has an on-chip 4-Kbyte one-time-programmable EPROM instead of masked ROM. The
S3P7544 is comparable to S3C7544, both in function and in pin configuration.
1-1
1 page  
S3C7544/P7544
PRODUCT OVERVIEW
PIN DESCRIPTIONS
Pin Name
P0.0
P0.1
P0.2
P0.3
P1.0
P1.1
P1.2
P1.3
P2.0
P4.0–P4.3
P5.0–P5.3
INT0
INT1
KS0
KS1
TCL0
TCLO0
CLO
BUZ
DAO
VDD
VSS
RESET
TEST
XIN, XOUT
Table 1-1. S3C7544 Pin Descriptions
Pin Type
I
I/O
I/O
I/O
I/O
I/O
I/O
Description
4-bit I/O port. 1- or 4-bit read/write and test is possible.
Pull-up resistors are assignable to input pins by software and are
automatically disabled for output pins. Pins are individually
configurable as input or output.
4-bit I/O port. 1- or 4-bit read/write and test is possible.
Pull-up resistors are assignable to input pins by software and are
automatically disabled for output pins. Pins are individually
configurable as input or output.
1-bit I/O port. 1- or 4-bit read/write and test is possible.
Pull-up resistors are assignable to input pins by software and are
automatically disabled for output pins.
4-bit I/O port. 1- or 4-bit read/write and test is possible.
Pins are individually configurable as input or output.
Pull-up resistors are assignable to input pins by software and are
automatically disabled for output pins.
The N-channel open drain or push-pull output can be selected by
software (1-bit unit).
External interrupts with rising/falling edge detection
External interrupts with rising/falling edge detection
Quasi-interrupt input with falling edge detection
I/O External clock input for timer/counter
I/O Timer/counter clock output
I/O CPU clock output
I/O 0.5, 1, 2, or 4 kHz frequency output at 4.19 MHz for buzzer sound
O 8-bit D/A converter output
– Main power supply
– Ground
I Reset signal
I Chip test input pin. Hold GND when the device is operating.
– Crystal, ceramic oscillator signal for system clock
Share Pin
INT0
INT1
KS0
KS1
TCL0
TCLO0
CLO
BUZ
–
–
P0.0
P0.1
P0.2
P0.3
P1.0
P1.1
P1.2
P1.3
–
–
–
–
–
–
1-5
5 Page 
S3C7544/P7544
ELECTRICAL DATA
Table 14-2. D.C. Electrical Characteristics (Continued)
(TA = – 40 °C to + 85 °C, VDD = 1.8 V to 5.5 V)
Parameter
Output High
Voltage
Output Low
Voltage
Input High
Leakage
Current
Input Low
Leakage
Current
Output High
Leakage
Current
Output Low
Leakage
Current
Pull-up
Resistor
Symbol
VOH
VOL1
VOL2
ILIH1
Conditions
VDD = 4.5 V to 5.5 V
IOH = – 1 mA
VDD = 4.5 V to 5.5 V
IOL = 15 mA
Ports 4, 5
VDD = 1.8 V to 5.5 V
IOL = 1.6 mA
VDD = 4.5V to 5.5 V
IOL = 4 mA
All out ports except ports 4, 5
VDD = 1.8 V to 5.5 V
IOL = 1.6 mA
VIN = VDD
All input pins except XIN and XOUT
Min
VDD – 1.0
–
–
ILIH2
ILIL1
ILIL2
ILOH
VIN = VDD
XIN and XOUT
VIN = 0 V
All input pins except XIN, XOUT
and RESET
VIN = 0 V
XIN and XOUT
VO = VDD
All output pins
–
–
ILOL VO = 0 V
All output pins
RL1 VDD = 5 V; VI = 0 V
except RESET
VDD = 3 V
RL2 VDD = 5 V; VI = 0 V; RESET
VDD = 3 V
–
25
50
100
200
Typ
–
–
–
–
–
–
45
90
220
450
Max
–
2
0.4
2
0.6
3
20
–3
– 20
3
–3
100
200
400
800
Units
V
V
µA
µA
µA
µA
kΩ
14-3
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet S3P7544.PDF ] | |
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