參數(shù)資料
型號: ATAM893T-TKSYD
廠商: Atmel
文件頁數(shù): 5/98頁
文件大小: 0K
描述: IC MCU FLASH 4K MTP 20SSOP
標準包裝: 830
系列: MARC4
核心處理器: MARC4
芯體尺寸: 4-位
速度: 4MHz
連通性: SSI(2 線,3 線)
外圍設(shè)備: 欠壓檢測/復位,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: EEPROM
EEPROM 大?。?/td> 64 x 16
RAM 容量: 256 x 4
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 管件
13
4680C–4BMCU–01/05
ATAM893-D
Figure 4-8.
Brown-out Detection
4.3.2
Watchdog Reset
The watchdog's function can be enabled at the WDC register and triggers a reset with every
watchdog counter overflow. To suppress the watchdog reset, the watchdog counter must be
regularly reset by reading the watchdog register address (CWD). The CPU reacts in exactly the
same manner as a reset stimulus from any of the above sources.
4.3.3
External Clock Supervisor
The external input clock supervisor function can be enabled if the external input clock is selected
within the CM and SC registers of the clock module. The CPU reacts in exactly the same man-
ner as a reset stimulus from any of the above sources.
4.4
Voltage Monitor
The voltage monitor consists of a comparator with an internal voltage reference. It is used to
supervise the supply voltage or an external voltage at the VMI pin. The comparator for the sup-
ply voltage has three internal programmable thresholds: one lower threshold (2.2 V), one middle
threshold (2.6 V) and one higher threshold (3.0 V). For external voltages at the VMI pin, the
comparator threshold is set to V
BG = 1.3 V. The VMS bit indicates if the supervised voltage is
below (VMS = 0) or above (VMS = 1) this threshold. An interrupt can be generated when the
VMS bit is set or reset to detect a rising or falling slope. A voltage monitor interrupt (INT7) is
enabled when the interrupt mask bit (VIM) is reset in the VMC register.
V
DD
CPU
Reset
t
BOT = 1
2.0 V
1.7 V
CPU
Reset
BOT = 0
t
d
t
d = 1.5 ms (typically)
BOT = 1, low brown-out voltage threshold 1.7 V (is reset value).
BOT = 0, high brown-out voltage threshold 2.0 V.
t
d
t
d
相關(guān)PDF資料
PDF描述
ATF1500ABV-15JI IC CPLD 15NS LOW VOLT PLCC
ATF1500AL-20JI IC CPLD 20NS LOW POW 44PLCC
ATF1502ASV-15JI44 IC CPLD EE HP 15NS 44-PLCC
ATF1502BE-5AX44 IC CPLD 64MC 1.8V 44-TQFP
ATF1504ASVL-20QI100 IC CPLD 20NS LOWV LOWPWR 100QPFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ATAM893X-TKHYZ 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Flash Version for ATAR080, ATAR090/890 and ATAR092/892
ATAM893X-TKQYZ 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Flash Version for ATAR080, ATAR090/890 and ATAR092/892
ATAM893X-TKSYZ 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Flash Version for ATAR080, ATAR090/890 and ATAR092/892
ATAM894 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8k-flash Microcontroller
ATAM894P 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MARC4 4-bit Microcontrollers