MC68HC908RF2 Datasheet, PDF (200/254 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Timer Interface Module (TIM)
PTB3/TCLK
INTERNAL
BUS CLOCK
TSTOP
TRST
PRESCALER
PRESCALER SELECT
PS2
PS1
PS0
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
ELS0B ELS0A
CH0F
MS0A
MS0B
ELS1B ELS1A
MS1A
CH1F
TOF
TOIE
TOV0
CH0MAX
CH0IE
TOV1
CH1MAX
CH1IE
*This pin is not available on the MC68HC908RF2.
Figure 15-1. TIM Block Diagram
INTER-
RUPT
LOGIC
PORT
LOGIC
INTER-
RUPT
LOGIC
PTB2/TCH0
PORT
LOGIC
N/C*
INTER-
RUPT
LOGIC
Addr. Register Name
Bit 7
6
5
4
3
Read: TOF
0
0
Timer Status and Control
TOIE TSTOP
$0020
Register (TSC) Write: 0
TRST
See page 211.
Reset: 0
0
1
0
0
Read: Bit 15
14
13
12
11
Timer Counter Register
$0021
High (TCNTH) Write:
See page 213.
Reset: 0
0
0
0
0
= Unimplemented
2
1
Bit 0
PS2
PS1
PS0
0
0
0
10
9
Bit 8
0
0
0
Figure 15-2. TIM I/O Register Summary
Advance Information
200
Timer Interface Module (TIM)
MC68HC908RF2 — Rev. 1
MOTOROLA