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參數(shù)資料
| 型號： | ADUC832 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU |
| 中文描述： | MicroConverter的，12位ADC和62 kBytes為嵌入式閃存MCU數(shù)模轉換器 |
| 文件頁數(shù)： | 44/80頁 |
| 文件大小： | 1311K |
| 代理商： | ADUC832 |
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REV. 0
–44–
ADuC832
POWER SUPPLY MONITOR
As its name suggests, the Power Supply Monitor, once enabled,
monitors the DV
DD
supply on the ADuC832. It will indicate when
any of the supply pins drop below one of four user-selectable
voltage trip points from 2.63 V to 4.37 V. For correct operation
of the Power Supply Monitor function, AV
DD
must be equal to
or greater than 2.7 V. Monitor function is controlled via the
PSMCON SFR. If enabled via the IEIP2 SFR, the monitor will
interrupt the core using the PSMI bit in the PSMCON SFR.
This bit will not be cleared until the failing power supply has
returned above the trip point for at least 250 ms. This monitor
function allows the user to save working registers to avoid pos-
sible data loss due to the low supply condition, and also ensures
that normal code execution will not resume until a safe supply
level has been well established. The supply monitor is also pro-
tected against spurious glitches triggering the interrupt circuit.
PSMCON
SFR Address
Power-On Default Value
Bit Addressable
Power Supply Monitor Control Register
DFH
DEH
No
Table XV. PSMCON SFR Bit Designations
Bit
Name
Description
7
6
----
CMPD
Reserved.
DV
DD
Comparator Bit.
This is a read-only bit and directly reflects the state of the DV
DD
comparator.
Read
“
1
”
indicates the DV
DD
supply is above its selected trip point.
Read
“
0
”
indicates the DV
DD
supply is below its selected trip point.
Power Supply Monitor Interrupt Bit.
This bit will be set high by the MicroConverter if either CMPA or CMPD is low, indicating low analog
or digital supply. The PSMI bit can be used to interrupt the processor. Once CMPD and/or CMPA
return (and remain) high, a 250 ms counter is started. When this counter times out, the PSMI interrupt is
cleared. PSMI can also be written by the user. However, if either comparator output is low, it is not
possible for the user to clear PSMI.
DV
DD
Trip Point Selection Bits.
These bits select the DV
DD
trip point voltage as follows:
TPD1
TPD0
Selected DV
DD
Trip Point (V)
0
0
4.37
0
1
3.08
1
0
2.93
1
1
2.63
Reserved
Reserved
Power Supply Monitor Enable Bit.
Set to
“
1
”
by the user to enable the Power Supply Monitor Circuit.
Cleared to
“
0
”
by the user to disable the Power Supply Monitor Circuit.
5
PSMI
4
3
TPD1
TPD0
2
1
0
----
----
PSMEN
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADUC832BCP | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V/5V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 16.78MHZ 3.3/5V 56LFCSP - Bulk |
| ADUC832BCP-REEL | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V/5V 56-Pin LFCSP EP T/R |
| ADUC832BCPZ | 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝:250 系列:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C，Microwire，SPI，SSI，SSP，UART/USART，USB 外圍設備:欠壓檢測/復位，POR，WDT 輸入/輸出數(shù):40 程序存儲器容量:96KB（96K x 8） 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 V 數(shù)據(jù)轉換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:48-LQFP 包裝:托盤 其它名稱:568-9587 |
| ADUC832BCPZ-REEL | 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設備:欠壓檢測/復位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB（4K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND |
| ADUC832BS | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 16.78MHZ 3.3/5V 52MQFP - Bulk 制造商:Analog Devices 功能描述:8BIT MCU +12BIT ADC LQFP52 832 |
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