MC908AS60ACFU Datasheet, PDF (228/414 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Timer Interface Module B (TIMB)
PTD4/ATD12/TBCLK
INTERNAL
BUS CLOCK
TCLK
PRESCALER
PRESCALER SELECT
TSTOP
TRST
16-BIT COUNTER
16-BIT COMPARATOR
TMODH:TMODL
CHANNEL 0
16-BIT COMPARATOR
TCH0H:TCH0L
16-BIT LATCH
CHANNEL 1
16-BIT COMPARATOR
TCH1H:TCH1L
16-BIT LATCH
PS2
PS1
PS0
ELS0B ELS0A
CH0F
MS0A
ELS1B ELS1A
MS0B
MS1A
CH1F
TOF
TOIE
TOV0
CH0MAX
CH0IE
TOV1
CH1MAX
CH1IE
Figure 20-1. TIMB Block Diagram
INTER-
RUPT
LOGIC
PTF4
LOGIC
INTER-
RUPT
LOGIC
PTF4/TBCH0
PTF5
LOGIC
INTER-
RUPT
LOGIC
PTF5/TBCH1
Addr.
$0040
$0041
$0042
$0043
$0044
$0045
$0046
$0047
$0048
$0049
$004A
Register Name
Bit 7
TIMB Status/Control Register (TBSC) TOF
TIMB Counter Register High (TBCNTH) Bit 15
TIMB Counter Register Low (TBCNTL) Bit 7
TIMB Counter Modulo Reg. High (TBMODH) Bit 15
TIMB Counter Modulo Reg. Low (TBMODL) Bit 7
TIMB Ch. 0 Status/Control Register (TBSC0) CH0F
TIMB Ch. 0 Register High (TBCH0H) Bit 15
TIMB Ch. 0 Register Low (TBCH0L) Bit 7
TIMB Ch. 1 Status/Control Register (TBSC1) CH1F
TIMB Ch. 1 Register High (TBCH1H) Bit 15
TIMB Ch. 1 Register Low (TBCH1L) Bit 7
6
TOIE
14
6
14
6
CH0IE
14
6
CH1IE
14
6
5
TSTOP
13
5
13
5
MS0B
13
5
0
13
5
4
TRST
12
4
12
4
MS0A
12
4
MS1A
12
4
3
0
11
3
11
3
ELS0B
11
3
ELS1B
11
3
2
PS2
10
2
10
2
ELS0A
10
2
ELS1A
10
2
1
PS1
9
1
9
1
TOV0
9
1
TOV1
9
1
Bit 0
PS0
Bit 8
Bit 0
Bit 8
Bit 0
CH0MAX
Bit 8
Bit 0
CH1MAX
Bit 8
Bit 0
R = Reserved
Figure 20-2. TIMB I/O Register Summary
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
228
Freescale Semiconductor