atam894 ATMEL Corporation, atam894 Datasheet - Page 14

• Manufacturer Part Number: atam894
• Description: Atam894 8k-flash Microcontroller
• Manufacturer: ATMEL Corporation

5.4.1
14
ATAM894
Voltage Monitor Control/ Status Register
Figure 5-9.
VM2: V oltage monitor M ode bit 2
VM1: V oltage monitor M ode bit 1
VM0: V oltage monitor M ode bit 0
Table 5-3.
VMC: Write
VMST: Read
VM2
1
1
1
1
0
0
0
0
VM1
1
1
0
0
1
1
0
0
Voltage Monitor
Voltage Monitor Modes
VM2
Bit 3
BP41/
VMI
VM0
–
1
0
1
0
1
0
1
0
VMC:
Function
Disable voltage monitor
External (VIM input), internal reference threshold (1.3V), interrupt with
negative slope
Not allowed
External (VMI input), internal reference threshold (1.3V), interrupt with
positive slope
Internal (supply voltage), high threshold (3.0V), interrupt with negative
slope
Internal (supply voltage), middle threshold (2.6V), interrupt with negative
slope
Internal (supply voltage), low threshold (2.2V), interrupt with negative
slope
Not allowed
VMST:
VM2
IN
Bit 2
VM1
–
Voltage monitor
VM1 VM0
-
V
-
reserved
DD
VIM
VM0
Bit 1
res
OUT
VMS
Primary register address: ’F’hex
VMS
Bit 0
VIM
INT7
Reset value: 1111b
Reset value: xx11b
4679D–4BMCU–05/05