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參數(shù)資料
| 型號(hào)： | AT89C51RC2-3CSIM |
| 廠商： | Atmel |
| 文件頁(yè)數(shù)： | 13/127頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC 8051 MCU FLASH 32K 40DIP |
| 標(biāo)準(zhǔn)包裝： | 9 |
| 系列： | 89C |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 60MHz |
| 連通性： | SPI，UART/USART |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲(chǔ)器容量： | 32KB（32K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 1.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 40-DIP（0.600"，15.24mm） |
| 包裝： | 管件 |
| 配用： | AT89STK-11-ND - KIT STARTER FOR AT89C51RX2 |
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11
AT89C51RB2/RC2
4180E–8051–10/06
I/O
CEX4: Capture/Compare External I/O for PCA Module 4
P1.0 - P1.7
I/O
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.
XTAL1
19
21
15
I
Crystal 1: Input to the inverting oscillator amplifier and input to the internal clock
generator circuits.
XTAL2
18
20
14
O
Crystal 2: Output from the inverting oscillator amplifier
P2.0 - P2.7
21 - 28
24 - 31
18 - 25
I/O
Port 2: Port 2 is an 8-bit bi-directional 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 16 KB devices
P2.0 to P2.6 for 32KB devices
P3.0 - P3.7
10 - 17
11,
13 - 19
5,
7 - 13
I/O
Port 3: Port 3 is an 8-bit bi-directional 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.
10
11
5
I
RXD (P3.0): Serial input port
11
13
7
O
TXD (P3.1): Serial output port
12
14
8
I
INT0 (P3.2): External interrupt 0
13
15
9
I
INT1 (P3.3): External interrupt 1
14
16
10
I
T0 (P3.4): Timer 0 external input
15
17
11
I
T1 (P3.5): Timer 1 external input
16
18
12
O
WR (P3.6): External data memory write strobe
17
19
13
O
RD (P3.7): External data memory read strobe
RST
9
10
4
I/O
Reset: A high on this pin for two machine cycles while the oscillator is running,
resets the device. An internal diffused resistor to VSS permits a power-on reset using
only an external capacitor to V
CC. This pin is an output when the hardware
watchdog forces a system reset.
ALE/PROG
30
33
27
O (I)
Address Latch Enable/Program Pulse: Output pulse for latching the low Byte of
the address during an access to external memory. In normal operation, ALE is
emitted at a constant rate of 1/6 (1/3 in X2 mode) the oscillator frequency, and can
be used for external timing or clocking. Note that one ALE pulse is skipped during
each access to external data memory. This pin is also the program pulse input
(PROG) during Flash programming. ALE can be disabled by setting SFR’s AUXR. 0
bit. With this bit set, ALE will be inactive during internal fetches.
Table 12. Pin Description for 40 - 44 Pin Packages (Continued)
Mnemonic
Pin Number
Type
Name and Function
DIL
LCC
VQFP44 1.4
相關(guān)PDF資料 |
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| AT89C51RB2-SLSIM | IC 8051 MCU FLASH 16K 44PLCC |
| AT89C51RB2-SLSIL | IC 8051 MCU FLASH 16K 44PLCC |
| PIC16C72A-04/SP | IC MCU OTP 2KX14 A/D PWM 28DIP |
| AT89C51RB2-RLTIM | IC 8051 MCU FLASH 16K 44VQFP |
| AT89C51RB2-3CSIM | IC 8051 MCU FLASH 16K 40DIP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT89C51RC2-3CSUM | 功能描述:8位微控制器 -MCU 32kB Flash 1280B RAM 2.7V-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT89C51RC-24AC | 功能描述:8位微控制器 -MCU 32K FLASH 4.0 TO 5.5V - 24MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT89C51RC-24AI | 功能描述:8位微控制器 -MCU 32K FLASH 4.0 TO 5.5V - 24MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT89C51RC-24AU | 功能描述:8位微控制器 -MCU 32K FLASH 4.0 TO 5.5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT89C51RC-24JC | 功能描述:8位微控制器 -MCU 32K FLASH 4.0 TO 5.5V - 24MHZ RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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