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T89C51IC2 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 T89C51IC2은 전자 산업 및 응용 분야에서
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부품번호 T89C51IC2 기능
기능 8-bit Microcontroller with Flash and I2C Interface
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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T89C51IC2 데이터시트, 핀배열, 회로
Features
80C52 Compatible
– 8051 pin and instruction compatible
– Four 8-bit I/O ports + 2 I/O I2C Interface pins
– Three 16-bit timer/counters
– 256 bytes scratch pad RAM
– 10 Interrupt sources with 4 priority levels
– Dual Data Pointer
Variable length MOVX for slow RAM/peripherals
ISP (In System Programming) using standard VCC power supply.
Boot ROM contains low level FLASH programming routines and a default serial loader
High-Speed Architecture
– 40 MHz in standard mode
– 20 MHz in X2 mode (6 clocks/machine cycle)
32-Kbytes on-chip FLASH program / data Memory
– Byte and page (128 bytes) erase and write
– 10k write cycles
– On-chip 1024 bytes expanded RAM (XRAM)
– Software selectable size (0, 256, 512, 768, 1024 bytes)
– 256 bytes selected at reset for T87C51RB2/RC2 compatibility
Keyboard interrupt interface on port P1
400-Kbits/s Multimaster I2C Interface
SPI Interface (Master / Slave Mode)
Sub clock 32kHz crystal oscillator
8-bit clock prescaler
Improved X2 mode with independant selection for CPU and each peripheral
Programmable Counter Array 5 Channels with:
– High Speed Output,
– Compare / Capture,
– Pulse Width Modulator,
– Watchdog Timer Capabilities
Asynchronous port reset
Full duplex Enhanced UART
Dedicated Baud Rate Generator for UART
Low EMI (inhibit ALE)
Hardware Watchdog Timer (One-time enabled with Reset-Out)
Power control modes:
– Idle Mode.
– Power-down mode.
– Power-Off Flag.
Power supply: 4.5V to 5.5V or 2.7V to 3.6V
Temperature ranges: Commercial (0 to +70°C) and industrial (-40°C to +85°C).
Packages: PLC44, VQFP44
8-bit
Microcontroller
with Flash and
I2C Interface
T89C51IC2
Summary
Description
T89C51IC2 is a high performance FLASH version of the 80C51 8-bit microcontrollers.
It contains a 32-Kbytes Flash memory block for program and data.
The 32-Kbytes FLASH memory can be programmed either in parallel mode or in serial
mode with the ISP capability or with software. The programming voltage is internally
generated from the standard VCC pin.
The T89C51IC2 retains all features of the 80C52 with 256 bytes of internal RAM, a 7-
source 4-level interrupt controller and three timer/counters.
Rev. C – 3-Dec-01
1




T89C51IC2 pdf, 반도체, 판매, 대치품
Bit
addressable
0/8
F8h
F0h
B
0000 0000
E8h
E0h
ACC
0000 0000
CCON
D8h
00X0 0000
D0h
PSW
0000 0000
C8h
T2CON
0000 0000
PI2 bit
C0h addressable
XXXX XX11
IPL0
B8h
X000 000
P3
B0h
1111 1111
IE0
A8h
0000 0000
P2
A0h
1111 1111
SCON
98h
0000 0000
P1
90h
1111 1111
TCON
88h
0000 0000
P0
80h
1111 1111
0/8
Table 2. SFR mapping
Table below shows all SFRs with their address and their reset value.
1/9
CH
0000 0000
2/A
CCAP0H
XXXX XXXX
Non Bit addressable
3/B 4/C 5/D
CCAP1H
XXXX XXXX
CCAPL2H
XXXX XXXX
CCAPL3H
XXXX XXXX
6/E
CCAPL4H
XXXX XXXX
7/F
CL
0000 0000
CCAP0L
XXXX XXXX
CCAP1L
XXXX XXXX
CCAPL2L
XXXX XXXX
CCAPL3L
XXXX XXXX
CCAPL4L
XXXX XXXX
CMOD
00XX X000
FCON (1)
XXXX 0000
T2MOD
XXXX XX00
SADEN
0000 0000
IE1
XXXX X000
SADDR
0000 0000
SBUF
XXXX XXXX
TMOD
0000 0000
SP
0000 0111
1/9
CCAPM0
X000 0000
RCAP2L
0000 0000
IPL1
XXXX X000
AUXR1
XXXX X0X0
BRL
0000 0000
TL0
0000 0000
DPL
0000 0000
2/A
CCAPM1
X000 0000
RCAP2H
0000 0000
SPCON
0001 0100
IPH1
XXXX X111
BDRCON
XXX0 0000
SSCON
0000 0000
TL1
0000 0000
DPH
0000 0000
3/B
CCAPM2
X000 0000
TL2
0000 0000
SPSTA
0000 0000
KBLS
0000 0000
SSCS
1111 1000
TH0
0000 0000
4/C
CCAPM3
X000 0000
CCAPM4
X000 0000
TH2
0000 0000
SPDAT
XXXX XXXX
KBE
0000 0000
SSDAT
1111 1111
TH1
0000 0000
CKSEL
XXXX XXX0
5/D
WDTRST
XXXX XXXX
KBF
0000 0000
SSADR
1111 1110
AUXR
XX0X 0000
OSSCON
XXXX X001
6/E
IPH0
X000 0000
CKCON1
XXXX XXX0
WDTPRG
XXXX X000
CKRL
1111 1111
CKCON0
0000 0000
PCON
00X1 0000
7/F
FFh
F7h
EFh
E7h
DFh
D7h
CFh
C7h
BFh
B7h
AFh
A7h
9Fh
97h
8Fh
87h
reserved
(1) FCON access is reserved for the FLASH API and ISP software.
4 T89C51IC2
Rev. C – 3-Dec-01

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T89C51IC2 전자부품, 판매, 대치품
T89C51IC2
Mnemonic
XTALA1
XTALA2
XTALB1
XTALB2
P2.0-P2.7
P3.0-P3.7
PI2.0-PI2.1
Pin Number
PLCC44
VQFP44 1.4
21
20
2
1
24-31
15
14
40
39
18-25
11,
13-19
5,
7-13
11
13
14
15
16
17
18
19
34, 12
34
5
7
8
9
10
11
12
13
28, 6
28
12 6
Type
I/O
I/O
I
O
I
Name and Function
CEX4: Capture/Compare External I/O for PCA module 4
MOSI: SPI Master Output Slave Input line
When SPI is in master mode, MOSI outputs data to the slave peripheral. When SPI is
in slave mode, MOSI receives data from the master controller.
Crystal A 1: Input to the inverting oscillator amplifier and input to the internal clock
generator circuits.
Crystal A 2: Output from the inverting oscillator amplifier
Crystal B 1: (Sub Clock) Input to the inverting oscillator amplifier and input to the
internal clock generator circuits.
O Crystal B 2: (Sub Clock) Output from the inverting oscillator amplifier
I/O Port 2: Port 2 is an 8-bit bidirectional I/O port with internal pull-ups. Port 2 pins that
have 1s written to them are pulled high by the internal pull-ups and can be used as
inputs. As inputs, Port 2 pins that are externally pulled low will source current because
of the internal pull-ups. Port 2 emits the high-order address byte during fetches from
external program memory and during accesses to external data memory that use 16-bit
addresses (MOVX @DPTR).In this application, it uses strong internal pull-ups emitting
1s. During accesses to external data memory that use 8-bit addresses (MOVX @Ri),
port 2 emits the contents of the P2 SFR. Some Port 2 pins receive the high order
address bits during EPROM programming and verification:
P2.0 to P2.5 for 16Kb devices
P2.0 to P2.6 for 32Kb devices
I/O Port 3: Port 3 is an 8-bit bidirectional I/O port with internal pull-ups. Port 3 pins that
have 1s written to them are pulled high by the internal pull-ups and can be used as
inputs. As inputs, Port 3 pins that are externally pulled low will source current because
of the internal pull-ups. Port 3 also serves the special features of the 80C51 family, as
listed below.
I RXD (P3.0): Serial input port
O TXD (P3.1): Serial output port
I INT0 (P3.2): External interrupt 0
I INT1 (P3.3): External interrupt 1
I T0 (P3.4): Timer 0 external input
I T1 (P3.5): Timer 1 external input
O WR (P3.6): External data memory write strobe
O RD (P3.7): External data memory read strobe
Port I2: Port I2 is an open drain. It can be used as inputs (must be polarized to Vcc
with external resistor to prevent any parasitic current consumption).
I/O SCL (PI2.0): I2C Serial Clock
SCL output the serial clock to slave peripherals
SCL input the serial clock from master
I/O SDA (PI2.1): I2C Serial Data
SDA is the bidirectional I2C data line
Rev. C – 3-Dec-01
7

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부품번호상세설명 및 기능제조사
T89C51IC2

8-bit Microcontroller with Flash and I2C Interface

ATMEL Corporation
ATMEL Corporation

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