ROHS MC9S08QE128 - Page 287

Timer/PWM Module (S08TPMV3)
MC9S08QE128 MCU Series Reference Manual, Rev. 2
Freescale Semiconductor 287
Figure 16-2. TPM Block Diagram
PRESCALE AND SELECT
16-BIT COMPARATOR
PS2:PS1:PS0
TOF
TOIE
INTER-
16-BIT COUNTER
RUPT
LOGIC
16-BIT COMPARATOR
16-BIT LATCH
ELS0B ELS0A
PORT
CHANNEL 0
CH0IE
CH0F
LOGIC
INTER-
RUPT
LOGIC
CPWMS
MS0B MS0A
COUNTER RESET
CLKSB:CLKSA
1, 2, 4, 8, 16, 32, 64,
BUS CLOCK
FIXED SYSTEM CLOCK
EXTERNAL CLOCK
SYNC
16-BIT COMPARATOR
16-BIT LATCH
CHANNEL 1
ELS1B ELS1A
CH1IE
CH1F
INTERNAL BUS
PORT
LOGIC
INTER-
RUPT
LOGIC
MS1B MS1A
16-BIT COMPARATOR
16-BIT LATCH
CHANNEL 7
ELS7B ELS7A
CH7IE
CH7F
PORT
LOGIC
INTER-
RUPT
LOGIC
MS7B MS7A
Up to 8 channels
CLOCK SOURCE
SELECT
OFF, BUS, FIXED
SYSTEM CLOCK, EXT
or 128
TPMxMODH:TPMxMODL
TPMxC0VH:TPMxC0VL
TPMxC1VH:TPMxC1VL
TPMxCH0
TPMxCH1
TPMxC7VH:TPMxC7VL
TPMxCH7