HCS08 datasheet(157/290 Pages) MOTOROLA

157 / 290 page

Data Sheet — MC9S08GB60/D V1.5

MOTOROLA

157

MC9S08GB/GT

10.3 TPM Block Diagram

The TPM uses one input/output (I/O) pin per channel, TPMxCHn where x is the TPM number (for

example, 1 or 2) and n is the channel number (for example, 0–4). The TPM shares its I/O pins with

general-purpose I/O port pins (refer to the Pins and Connections section for more information).

Figure 10-2 shows the structure of a TPM. Some MCUs include more than one TPM, with various

numbers of channels.

Figure 10-2 TPM Block Diagram

PRESCALE AND SELECT

16-BIT COMPARATOR

MAIN 16-BIT COUNTER

16-BIT COMPARATOR

16-BIT LATCH

PORT

16-BIT COMPARATOR

16-BIT LATCH

CHANNEL 0

CHANNEL 1

LOGIC

INTERRUPT

PORT

LOGIC

16-BIT COMPARATOR

16-BIT LATCH

CHANNEL n

PORT

LOGIC

COUNTER RESET

DIVIDE BY

CLOCK SOURCE

OFF, BUS, XCLK, EXT

BUSCLK

XCLK

SELECT

SYNC

INTERRUPT

1, 2, 4, 8, 16, 32, 64, or 128

LOGIC

CLKSA

CLKSB

PS2

PS1

PS0

CPWMS

TOIE

TOF

ELS0A

CH0F

ELS0B

ELS1B

ELS1A

ELSnB

ELSnA

CH1F

CHnF

CH0IE

CH1IE

CHnIE

MS1B

MS0B

MSnB

MS0A

MS1A

MSnA

TPMxMODH:TPMxMODL

TPMx) EXT CLK

TPMxC0VH:TPMxC0VL

TPMxC1VH:TPMxC1VL

TPMxCnVH:TPMxCnVL

TPMxCHn

TPMxCH1

TPMxCH0

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