atam510 ATMEL Corporation, atam510 Datasheet - Page 34

• Manufacturer Part Number: atam510
• Description: Marc4 4-bit Mtp Universal Microcontroller
• Manufacturer: ATMEL Corporation

3.3.1.2
34
ATAM510
Interval Timer Frequency Select Register
Table 3-7.
FS3 ... 0 - Frequency select code
Table 3-8.
3 2 1 0
x x 1 1
x x x 1
x x x 0
x x 1 x
x x 0 x
x 1 x x
x 0 x x
1 x x x
0 x x x
Code
ITFSR
3 2 1 0
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
Code
Function
Reset prescaler and halt
Interrupt A disabled
Interrupt A enabled
Interrupt B disabled
Interrupt B enabled
Interrupt A => priority 1
Interrupt A => priority 5
Interrupt B => priority 2
Interrupt B => priority 6
Interval Timer Interrupt Priority Register (ITIPR)
Interval Timer Frequency Select Register (ITFSR)
Bit 3
FS3
Function
INTB
INTA
Bit 2
FS2
Bit 1
FS1
divide by
SUBCL
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
15
14
13
12
11
10
12
11
9
8
9
7
5
4
3
2
Bit 0
FS0
Primary register address (write only): 'F'hex
Reset value: 1111b
SUBCL = 32 kHz
Select 1024 Hz
Select 2048 Hz
Select 4096 Hz
Select 8192 Hz
Select 128 Hz
Select 256 Hz
Select 16 Hz
Select 32 Hz
Select 64 Hz
Select 16 Hz
Select 64 Hz
Select 1 Hz
Select 2 Hz
Select 4 Hz
Select 8 Hz
Select 8 Hz
4711B–4BMCU–01/05