參數(shù)資料
型號: ATAM893T-TKSYD
廠商: Atmel
文件頁數(shù): 6/98頁
文件大?。?/td> 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: 內部
工作溫度: -40°C ~ 125°C
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 管件
14
4680C–4BMCU–01/05
ATAM893-D
Figure 4-9.
Voltage Monitor
4.4.1
Voltage Monitor Control/Status Register
VM2: Voltage monitor Mode bit 2
VM1: Voltage monitor Mode bit 1
VM0: Voltage monitor Mode bit 0
V
DD
VM2
Voltage monitor
VM1
VM0
VIM
VMS
-
res
OUT
IN
BP41/
VMI
INT7
VMC
VMST
Primary register address: ’F’hex
Bit 3
Bit 2
Bit 1
Bit 0
VMC: Write
VM2
VM1
VM0
VIM
Reset value: 1111b
VMST: Read
reserved
VMS
Reset value: xx11b
Table 4-3.
Voltage Monitor Modes
VM2
VM1
VM0
Function
1
Disable voltage monitor
11
0
External (VIM input), internal reference threshold (1.3 V), interrupt
with negative slope
1
0
1
Not allowed
10
0
External (VMI input), internal reference threshold (1.3 V), interrupt
with positive slope
01
1
Internal (supply voltage), high threshold (3.0 V), interrupt with
negative slope
01
0
Internal (supply voltage), middle threshold (2.6 V), interrupt with
negative slope
00
1
Internal (supply voltage), low threshold (2.2 V), interrupt with
negative slope
0
Not allowed
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