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| 型號(hào)： | ADUC832BSZ-REEL |
| 廠(chǎng)商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 79/92頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 62K FLASH ADC/DAC 52MQFP |
| 標(biāo)準(zhǔn)包裝： | 800 |
| 系列： | MicroConverter® ADuC8xx |
| 核心處理器： | 8052 |
| 芯體尺寸： | 8-位 |
| 速度： | 16MHz |
| 連通性： | EBI/EMI，I²C，SPI，UART/USART |
| 外圍設(shè)備： | PSM，溫度傳感器，WDT |
| 輸入/輸出數(shù)： | 34 |
| 程序存儲(chǔ)器容量： | 62KB（62K x 8） |
| 程序存儲(chǔ)器類(lèi)型： | 閃存 |
| EEPROM 大?。?/td> | 4K x 8 |
| RAM 容量： | 2.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x12b，D/A 2x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 52-QFP |
| 包裝： | 帶卷 (TR) |
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ADuC832
Data Sheet
Rev. B | Page 80 of 92
INTERRUPT SYSTEM
The ADuC832 provides a total of nine interrupt sources with
two priority levels. The control and configuration of the inter-
rupt system is carried out through three interrupt-related SFRs:
IE—interrupt enable register
IP—interrupt priority register
IEIP2—secondary interrupt enable register
IE (INTERRUPT ENABLE REGISTER)
SFR Address:
A8H
Power-On Default Value:
00H
Bit Addressable:
Yes
Table 45. IE SFR Bit Designations
Bit
Name
Description
[7]
EA
Written by user to enable or disable all interrupt sources (1 = enable; 0 = disable)
[6]
EADC
Written by user to enable or disable ADC interrupt (1 = enable; 0 = disable)
[5]
ET2
Written by user to enable or disable Timer 2 interrupt (1 = enable; 0 = disable)
[4]
ES
Written by user to enable or disable UART serial port interrupt (1 = enable; 0 = disable)
[3]
ET1
Written by user to enable or disable Timer 1 interrupt (1 = enable; 0 = disable)
[2]
EX1
Written by user to enable or disable External Interrupt 1 (1 = enable; 0 = disable)
[1]
ET0
Written by user to enable or disable Timer 0 interrupt (1 = enable; 0 = disable)
[0]
EX0
Written by user to enable or disable External Interrupt 0 (1 = enable; 0 = disable)
IP (INTERRUPT PRIORITY REGISTER )
SFR Address:
B8H
Power-On Default Value:
00H
Bit Addressable:
Yes
Table 46. IP SFR Bit Designations
Bit
Name
Description
[7]
Reserved
Reserved for future use.
[6]
PADC
Written by user to select ADC interrupt priority (1 = high; 0 = low)
[5]
PT2
Written by user to select Timer 2 interrupt priority (1 = high; 0 = low)
[4]
PS
Written by user to select UART serial port interrupt priority (1 = high; 0 = low)
[3]
PT1
Written by user to select Timer 1 interrupt priority (1 = high; 0 = low)
[2]
PX1
Written by user to select External Interrupt 1 priority (1 = high; 0 = low)
[1]
PT0
Written by user to select Timer 0 interrupt priority (1 = high; 0 = low)
[0]
PX0
Written by user to select External Interrupt 0 priority (1 = high; 0 = low)
IEIP2 (SECONDARY INTERRUPT ENABLE REGISTER)
SFR Address
A9H
Power-On Default Value
A0H
Bit Addressable
No
Table 47. IEIP2 SFR Bit Designations
Bit
Name
Description
[7]
Reserved
Reserved for future use
[6]
PTI
Priority for time interval interrupt
[5]
PPSM
Priority for power supply monitor interrupt
[4]
PSI
Priority for SPI/I2C interrupt
[3]
Reserved
This bit must contain 0.
[2]
ETI
Written by user to enable or disable time interval counter interrupt. (1 = enable; 0 = disable)
[1]
EPSMI
Written by user to enable or disable power supply monitor interrupt. (1 = enable; 0 = disable)
[0]
ESI
Written by user to enable or disable SPI or I2C serial port interrupt. (1 = enable; 0 = disable)
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