97C2051 반도체 회로 부품 판매점

GMS97C2051



Hynix Semiconductor 로고
Hynix Semiconductor
97C2051 데이터시트, 핀배열, 회로
www.DataSheet4U.com
8-Bit CMOS Microcontorller
GMS97C2051/L2051
Features
 Compatible with MCS-51TM Products
 2 Kbytes of programmable EPROM
 4.25V to 5.5V Operating Range (GMS97C2051)
2.70V to 3.6V Operating Range (GMS97L2051)
 Version for 12MHz / 24 MHz Operating frequency (GMS97C2051)
Only 12MHz Operating frequency (GMS97L2051)
 Two-Level Program Memory Lock with encryption array
 128 bytes SRAM
 15 Programmable I/O Lines
 Two 16-Bit Timer/Counters
 Programmable serial USART
 Five Interrupt Sources
 Direct LED Drive Outputs
 On-Chip Analog Comparator
 Low Power Idle and Power Down Modes
Description
The GMS97C2051/L2051 is a high-performance CMOS 8-bit microcontroller with 2Kbytes of programmable
EPROM. The device is compatible with the industry standard MCS-51TM instruction set and pinout. The HYUN-
DAI MicroElectronics GMS97C2051/L2051 is a powerful microcontroller which provides a highly flexible and
cost effective solution to many embedded control applications. The GMS97C2051/L2051 provides the following
standard features: 2Kbytes of EPROM, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five vector
two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator and
clock circuitry. In addition, the GMS97C2051/L2051 supports two software selectable power saving modes. The
Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue
functioning. The Power Down Mode saves the RAM contents but freezes the oscillator disabling all other chip
functions until the next hardware reset.
Pin Configuration
PDIP/SOP
RST
(RXD) P3.0
(TXD) P3.1
XTAL2
XTAL1
( INT0 )P3.2
( INT1) P3.3
(T0) P3.4
(T1) P3.5
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 P1.7
18 P1.6
17 P1.5
16 P1.4
15 P1.3
14 P1.2
13 P1.1 (AIN1)
12 P1.0 (AIN0)
11 P3.7
1 HYUNDAI MicroElectonics

97C2051 데이터시트, 핀배열, 회로
www.DataSheet4U.com
GMS97C2051/L2051
Block Diagram
VCC
GND
RAM
ADDR
RAM
8-Bit CMOS Microcontroller
EPROM
RST
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
PROGRAM
ADDRESS
REGISTER
BUFFER
ALU
PSW
INTERRUPT, SERIAL PORT
AND TIMER BLOCKS
PC
INCREMENTER
PROGRAM
COUNTER
TIMING INSTRUCTION
AND
CONTROL REGISTER
OSC
ANALOG
COMPARATOR
+
_
PORT 1
LATCH
PORT 1 DRIVERS
PORT 3
LATCH
DPTR
PORT 3 DRIVERS
P1.0-P1.7
P3.0-P3.5
P3.7
HYUNDAI MicroElectronics
2




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