MC908AZ60ACFUER Datasheet, PDF (41/414 Pages) Freescale Semiconductor, Inc – To provide the most up-to-date information, the revision of our documents on the World Wide Web will be the most current. Your printed copy may be an earlier revision. To verify you have the latest information available, refer to:

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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