MC908AS60ACFU Datasheet, PDF (41/414 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

I/O Section
Addr.
$0021
Register Name
Keyboard Interrupt Enable
Register (KBIER)
$0022
Timer A Counter Register
High (TACNTH)
$0023
Timer A Counter Register
Low (TACNTL)
$0024
Timer A Modulo Register
High (TAMODH)
$0025
Timer A Modulo Register
Low (TAMODL)
$0026
Timer A Channel 0 Status
and Control Register (TASC0)
$0027
Timer A Channel 0 Register
High (TACH0H)
$0028
Timer A Channel 0 Register
Low (TACH0L)
$0029
Timer A Channel 1 Status
and Control Register (TASC1)
$002A
Timer A Channel 1 Register
High (TACH1H)
$002B
Timer A Channel 1 Register
Low (TACH1L)
$002C
Timer A Channel 2 Status
and Control Register (TASC2)
$002D
Timer A Channel 2 Register
High (TACH2H)
$002E
Timer A Channel 2 Register
Low (TACH2L)
$002F
Timer A Channel 3 Status
and Control Register (TASC3)
$0030
Timer A Channel 3 Register
High (TACH3H)
$0031
Timer A Channel 3 Register
Low (TACH3L)
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Bit 7
0
Bit 15
Bit 7
Bit 15
Bit 7
CH0F
0
Bit 15
Bit 7
CH1F
0
Bit 15
Bit 7
CH2F
0
Bit 15
Bit 7
CH3F
0
Bit 15
Bit 7
6
0
14
6
14
6
CH0IE
14
6
CH1IE
14
6
CH2IE
14
6
CH3IE
14
6
5
0
13
5
13
5
MS0B
13
5
0
R
13
5
MS2B
13
5
0
R
13
5
4
KBIE4
12
3
KBIE3
11
2
KBIE2
10
1
KBIE1
9
Bit 0
KBIE0
Bit 8
4
3
2
1
Bit 0
12
11
10
9
Bit 8
4
3
2
1
Bit 0
MS0A ELS0B ELS0A TOV0 CH0MAX
12
11
10
9
Bit 8
4
3
2
1
Bit 0
MS1A ELS1B ELS1A TOV1 CH1MAX
12
11
10
9
Bit 8
4
3
2
1
Bit 0
MS2A ELS2B ELS2A TOV2 CH2MAX
12
11
10
9
Bit 8
4
3
2
1
Bit 0
MS3A ELS3B ELS3A TOV3 CH3MAX
12
11
10
9
Bit 8
4
3
2
1
Bit 0
= Unimplemented
R
= Reserved
Figure 2-2. I/O Data, Status and Control Registers (Sheet 3 of 5)
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
Freescale Semiconductor
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