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參數(shù)資料
| 型號(hào)： | CAT1832L-G |
| 英文描述： | M16C; M16C/60 Series; Microcontroller; Bit Size: 32/16-bit CISC; ROM: 128K + 4K; RAM: 10K; ROM Type: Flash memory; CPU: M16C/60 core; Minimum Instruction Execution Time (ns): 41.7 (@24MHz); Operating Frequency / Supply Voltage: 24MHz/3.0 to 5.5V, 10MHz/2.7 to 5.5V; Operating Ambient Temperature (°C): -20 to 85, -40 to 85; Package Code: PLQP0100KB-A (100P6Q-A) |
| 中文描述： | 5V和3.3V電源監(jiān)視器，看門狗定時(shí)器，手動(dòng)復(fù)位，與Active高 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 326K |
| 代理商： | CAT1832L-G |
CAT1232, CAT1832
5V and 3.3V Supply Monitor, Watchdog Timer,
Manual Reset, with Active High & Low Resets
FEATURES
Selectable reset voltage tolerance
— CAT1232LP for 5V supply
— CAT1832 for 3.3V supply
Selectable watchdog period:
150ms, 600ms or 1.2s
Two reset outputs
— Active high, push-pull reset output
— Active low, open-drain reset output
(CAT1232LP)
— Active low, push-pull reset output (CAT1832)
Debounced manual push-button reset
Compact SOIC and MSOP packages
For Ordering Information details, see page 11.
APPLICATIONS
Microprocessor Systems
Portable Equipment
Controllers
Single Board Computers
Instrumentations
Telecommunications
FUNCTIONAL DIAGRAM
DESCRIPTION
The CAT1232LP and CAT1832 microprocessor
supervisors can halt and restart a “hung-up” or
“stalled” microprocessor, restart a microprocessor
after a power failure, and debounce a manual/push-
button microprocessor reset switch. The devices are
drop
in
replacements
Semiconductor DS1232LP and DS1832 supervisors
for
the
Maxim/Dallas
Precision reference and comparator circuits monitor
the 5V or 3.3V system power supply voltage, V
CC
.
During power-up or when the power supply falls
outside selectable tolerance limits, both the RESET
and ˉˉˉˉˉˉ become active. After the power supply
voltage rises above the RESET threshold voltage, the
reset signals remain active for a minimum of 250ms,
allowing the power supply and system processor to
stabilize. The trip-point tolerance input, TOL, selects
the trip level tolerance to be either 5% or 10% for the
CAT1232LP 5V supply and 10% or 20% for the
CAT1832 3.3V supply.
Each device has a push-pull, active HIGH reset
output. The CAT1232LP also has an open drain,
active LOW reset output while the CAT1832 also has
a push-pull, active LOW reset output.
A debounced manual reset input activates the reset
outputs and holds them active for a minimum period of
250ms after being released.
Also included is a watchdog timer to reset a
microprocessor that has stopped due to a software or
hardware failure. Three watchdog time-out periods are
selectable: 150ms, 600ms and 1.2s. If the ˉˉ input is
not strobed low before the watchdog time out period
expires, the reset signals become active for a
minimum of 250ms.
ST
RESET
PBRST
40k
TOL
V
CC
–
+
Reference
V
CC
RESET
TD
Push Button Debounce
Watchdog Timebase Selection
Reset &
Watchdog Timer
(CAT1232LP)
Watchdog Transition Detector
RESET
(CAT1832)
Tolerance Selection
Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. MD-3018 Rev. D
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CAT1832V-GT3 | 5V and 3.3V Supply Monitor, Watchdog Timer, Manual Reset, with Active High & Low Resets |
| CAT1832Z-GT3 | 5V and 3.3V Supply Monitor, Watchdog Timer, Manual Reset, with Active High & Low Resets |
| CAT24C00JITE13 | 128-bit Serial EEPROM |
| CAT24C00YITE13 | 128-bit Serial EEPROM |
| CAT24C00UETE13 | 320 x 240 pixel format, Chip-On-Glass Technology |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT1832V | 功能描述:監(jiān)控電路 2.55 or 2.88V Lo/Hi RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT1832VG | 制造商:Catalyst Semiconductor 功能描述: |
| CAT1832V-G | 功能描述:監(jiān)控電路 2.55 or 2.88V Lo/Hi RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT1832V-GT3 | 功能描述:監(jiān)控電路 3.3V Supply Vltg Sup RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT1832V-T3 | 功能描述:監(jiān)控電路 3.3 V RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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