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參數(shù)資料
| 型號(hào)： | AT89C51CC03U-7CTIM |
| 廠商： | Atmel |
| 文件頁(yè)數(shù)： | 166/198頁(yè) |
| 文件大小： | 0K |
| 描述： | IC 8051 MCU FLASH 64K 64BGA |
| 標(biāo)準(zhǔn)包裝： | 360 |
| 系列： | AT89C CAN |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 40MHz |
| 連通性： | CAN，SPI，UART/USART |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 36 |
| 程序存儲(chǔ)器容量： | 64KB（64K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| EEPROM 大?。?/td> | 2K x 8 |
| RAM 容量： | 2.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x10b |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-BGA |
| 包裝： | 托盤(pán) |
| 其它名稱： | AT89C51CC03U7CTIM |
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7
AT89C51CC03
4182O–CAN–09/08
I/O Configurations
Each Port SFR operates via type-D latches, as illustrated in Figure 1 for Ports 3 and 4. A
CPU "write to latch" signal initiates transfer of internal bus data into the type-D latch. A
CPU "read latch" signal transfers the latched Q output onto the internal bus. Similarly, a
"read pin" signal transfers the logical level of the Port pin. Some Port data instructions
activate the "read latch" signal while others activate the "read pin" signal. Latch instruc-
tions are referred to as Read-Modify-Write instructions. Each I/O line may be
independently programmed as input or output.
Port 1, Port 3 and Port 4
Figure 1 shows the structure of Ports 1 and 3, which have internal pull-ups. An external
source can pull the pin low. Each Port pin can be configured either for general-purpose
I/O or for its alternate input output function.
To use a pin for general-purpose output, set or clear the corresponding bit in the Px reg-
ister (x = 1,3 or 4). To use a pin for general-purpose input, set the bit in the Px register.
This turns off the output FET drive.
To configure a pin for its alternate function, set the bit in the Px register. When the latch
is set, the "alternate output function" signal controls the output level (see Figure 1). The
operation of Ports 1, 3 and 4 is discussed further in the "quasi-Bidirectional Port Opera-
tion" section.
RESET
I/O
Reset:
A high level on this pin during two machine cycles while the oscillator is running resets the device. An internal pull-down
resistor to VSS permits power-on reset using only an external capacitor to VCC.
ALE
O
ALE:
An Address Latch Enable output for latching the low byte of the address during accesses to the external memory. The ALE is
activated every 1/6 oscillator periods (1/3 in X2 mode) except during an external data memory access. When instructions are
executed from an internal Flash (EA = 1), ALE generation can be disabled by the software.
PSEN
O
PSEN:
The Program Store Enable output is a control signal that enables the external program memory of the bus during external
fetch operations. It is activated twice each machine cycle during fetches from the external program memory. However, when
executing from of the external program memory two activations of PSEN are skipped during each access to the external Data
memory. The PSEN is not activated for internal fetches.
EA
I
EA:
When External Access is held at the high level, instructions are fetched from the internal Flash. When held at the low level,
AT89C51CC03 fetches all instructions from the external program memory
.
XTAL1
I
XTAL1:
Input of the inverting oscillator amplifier and input of the internal clock generator circuits.
To drive the device from an external clock source, XTAL1 should be driven, while XTAL2 is left unconnected. To operate
above a frequency of 16 MHz, a duty cycle of 50% should be maintained.
XTAL2
O
XTAL2:
Output from the inverting oscillator amplifier.
Pin Name
Type
Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT89C51CC03UA-7CTUM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Atmel Corporation 功能描述: |
| AT89C51CC03UA-RDTUM | 功能描述:8位微控制器 -MCU CAN C51 64K FLASH UAR BOOT 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 |
| AT89C51CC03UA-RDTZM | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Enhanced 8-bit MCU with CAN Controller and Flash Memory |
| AT89C51CC03UA-RLTUM | 功能描述:8位微控制器 -MCU CAN C51 64K FLASH UAR BOOT 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 |
| AT89C51CC03UA-RLTZM | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Enhanced 8-bit MCU with CAN Controller and Flash Memory |
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