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參數(shù)資料
| 型號： | PIC12F629-I/P |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 8/35頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU CMOS FLASH-BASE 8BIT 8DIP |
| 產品培訓模塊： | Asynchronous Stimulus 8-bit PIC® Microcontroller Portfolio |
| 標準包裝： | 60 |
| 系列： | PIC® 12F |
| 核心處理器： | PIC |
| 芯體尺寸： | 8-位 |
| 速度： | 20MHz |
| 外圍設備： | POR，WDT |
| 輸入/輸出數(shù)： | 5 |
| 程序存儲器容量： | 1.75KB（1K x 14） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 128 x 8 |
| RAM 容量： | 64 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2 V ~ 5.5 V |
| 振蕩器型： | 內部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 包裝： | 管件 |
| 產品目錄頁面： | 637 (CN2011-ZH PDF) |
| 配用： | DM163029-ND - BOARD PICDEM FOR MECHATRONICS AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC |
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16
0787E–MICRO–3/06
AT89S53
Figure 9. SPI Transfer Format with CPHA = 1
*Not defined but normally LSB of previously transmitted character
Interrupts
The AT89S53 has a total of six interrupt vectors: two exter-
nal interrupts (INT0 and INT1), three timer interrupts
(Timers 0, 1, and 2), and the serial port interrupt. These
interrupts are all shown in Figure 10.
Each of these interrupt sources can be individually enabled
or disabled by setting or clearing a bit in Special Function
Register IE. IE also contains a global disable bit, EA, which
disables all interrupts at once.
Note that Table 10 shows that bit position IE.6 is unimple-
men t ed. In the AT89C51 , bit p o sition IE .5 is also
unimplemented. User software should not write 1s to these
bit positions, since they may be used in future AT89
products.
Figure 10. Interrupt Sources
MSB
6
5
4
3
2
1
LSB
1
2
3
4
5
6
7
8
MSB
*
65
4
3
2
1
LSB
SCK CYCLE #
(FOR REFERENCE)
SCK (CPOL=0)
SCK (CPOL=1)
MOSI
(FROM MASTER)
MISO
(FROM SLAVE)
SS (TO SLAVE)
Table 10. Interrupt Enable (IE) Register
(MSB)(LSB)
EA
–
ET2
ES
ET1
EX1
ET0
EX0
Enable Bit = 1 enables the interrupt.
Enable Bit = 0 disables the interrupt.
Symbol
Position
Function
EA
IE.7
Disables all interrupts. If EA = 0, no interrupt
is acknowledged. If EA = 1, each interrupt
source is individually enabled or disabled by
setting or clearing its enable bit.
–
IE.6
Reserved.
ET2
IE.5
Timer 2 interrupt enable bit.
ES
IE.4
SPI and UART interrupt enable bit.
ET1
IE.3
Timer 1 interrupt enable bit.
EX1
IE.2
External interrupt 1 enable bit.
ET0
IE.1
Timer 0 interrupt enable bit.
EX0
IE.0
External interrupt 0 enable bit.
User software should never write 1s to unimplemented bits, because
they may be used in future AT89 products.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| PIC12F629ISN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin FLASH-Based 8-Bit CMOS Microcontrollers |
| PIC12F629-ISN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, Flash-Based 8-Bit CMOS Microcontrollers |
| PIC12F629T-E/MD | 制造商:Microchip Technology Inc 功能描述:8BIT PIC12 RISC 1.75KB FLASH 2 - Tape and Reel |
| PIC12F629T-E/MF | 功能描述:8位微控制器 -MCU 1.75KB 64 RAM 6 I/O Ext Temp DFN8 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據 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 安裝風格:SMD/SMT |
| PIC12F629T-E/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Pin, Flash-Based 8-Bit CMOS Microcontrollers |
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