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參數(shù)資料
| 型號： | AT90S4433-8AC |
| 廠商： | Atmel |
| 文件頁數(shù)： | 47/126頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 4K FLSH 8MHZ A/D 32TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | AVR® 90S |
| 核心處理器： | AVR |
| 芯體尺寸： | 8-位 |
| 速度： | 8MHz |
| 連通性： | SPI，UART/USART |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 20 |
| 程序存儲器容量： | 4KB（2K x 16） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 256 x 8 |
| RAM 容量： | 128 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4 V ~ 6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 6x10b |
| 振蕩器型： | 外部 |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 32-TQFP |
| 包裝： | 托盤 |
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27
AT90S/LS4433
1042H–AVR–04/03
Note that the Status Register is not automatically stored when entering an interrupt rou-
tine or restored when returning from an interrupt routine. This must be handled by
software.
General Interrupt Mask
Register – GIMSK
Bit 7 – INT1: External Interrupt Request 1 Enable
When the INT1 bit is set (one) and the I-bit in the Status Register (SREG) is set (one),
the external pin interrupt is enabled. The Interrupt Sense Control1 bits 1/0 (ISC11 and
ISC10) in the MCU General Control Register (MCUCR) defines whether the External
Interrupt is activated on rising or falling edge of the INT1 pin or is level sensed. Please
note that INTF1 Flag is not set when the level-sensitive interrupt condition is met. How-
ever, INT1 interrupt is generated, provided that INT1 mask bit is set in GIMSK Register.
Activity on the pin will cause an interrupt request even if INT1 is configured as an output.
The corresponding interrupt of External Interrupt Request 1 is executed from program
memory address $002. See also “External Interrupts”.
Bit 6 – INT0: External Interrupt Request 0 Enable
When the INT0 bit is set (one) and the I-bit in the Status Register (SREG) is set (one),
the external pin interrupt is enabled. The Interrupt Sense Control0 bits 1/0 (ISC01 and
ISC00) in the MCU General Control Register (MCUCR) defines whether the External
Interrupt is activated on rising or falling edge of the INT0 pin or is level sensed. Please
note that INTF0 Flag is not set when the level-sensitive interrupt condition is met. How-
ever, INT0 interrupt is generated, provided that INT0 mask bit is set in GIMSK Register.
Activity on the pin will cause an interrupt request even if INT0 is configured as an output.
The corresponding interrupt of External Interrupt Request 0 is executed from program
memory address $001. See also “External Interrupts”.
Bits 5..0 – Res: Reserved Bits
These bits are reserved bits in the AT90S4433 and always read as zero.
General Interrupt Flag
Register – GIFR
Bit 7 – INTF1: External Interrupt Flag1
When an edge on the INT1 pin triggers an interrupt request, the corresponding interrupt
flag, INTF1 becomes set (one). If the I-bit in SREG and the corresponding interrupt
enable bit, INT1 in GIMSK, is set (one), the MCU will jump to the Interrupt Vector. The
flag is always cleared when the interrupt routine is executed. Alternatively, the flag is
cleared by writing a logical “1” to it. This flag is always cleared when INT1 is configured
as level interrupt.
Bit
7
6
5
4
3
2
1
0
$3B ($5B)
INT1
INT0
–
GIMSK
Read/Write
R/W
R
Initial Value
0
Bit
7
6
5
4
3
2
1
0
$3A ($5A)
INTF1
INTF0
–
GIFR
Read/Write
R/W
R
Initial Value
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT90S4433-8AI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-Bit AVR Microcontroller with 4K Bytes of In-System Programmable Flash |
| AT90S4433-8PC | 功能描述:8位微控制器 -MCU 8 bit 4k byte 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| AT90S4433-8PI | 功能描述:8位微控制器 -MCU 4K Flash 3V 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| AT90S4434 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-Bit Microcontroller with 4K/8K Bytes In-System Programmable Flash |
| AT90S4434-8AC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-Bit Microcontroller with 4K/8K Bytes In-System Programmable Flash |
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