MC908AB32CFUE datasheet(39/392 Pages) FREESCALE

39 / 392 page

General Description

MC68HC908AB32 — Rev. 1.1

Technical Data

Freescale Semiconductor

General Description

Details of the clock connections to each of the modules on the

MC68HC908AB32 are shown in Table 1-2. A short description of each

clock source is also given in Table 1-3.

PTF4/TBCH0

General purpose I/O

/ Timer B channel 0

Dual State

Yes

Input (Hi-Z)

PTF3/TBCH3

General purpose I/O

/ Timer B channel 3

Dual State

Yes

Input (Hi-Z)

PTF2/TBCH2

General purpose I/O

/ Timer B channel 2

Dual State

Yes

Input (Hi-Z)

PTF1/TACH3

General purpose I/O

/ Timer A channel 3

Dual State

Yes

Input (Hi-Z)

PTF0/TACH2

General purpose I/O

/ Timer A channel 2

Dual State

Yes

Input (Hi-Z)

PTG2/KBD2–PTG0/KBD0

General purpose I/O with

key wakeup feature

Dual State

Yes

Input (Hi-Z)

PTH1/KBD4–PTH0/KBD3

General purpose I/O with

key wakeup feature

Dual State

Yes

Input (Hi-Z)

VDD

Logical chip power supply

VSS

Logical chip ground

VDDA

Analog power supply (CGM)

VSSA

Analog ground (CGM)

VREFH

ADC reference voltage

AVSS/VREFL

ADC ground and reference

voltage

VDDAREF

ADC power supply

OSC1

External clock in

Input (Hi-Z)

OSC2

External clock out

Output

CGMXFC

PLL loop filter cap

IRQ

External interrupt request

Input (pullup)

RST

Reset

Input (pullup)

Table 1-1. I/O Pins Summary

Pin Name

Function

Driver Type

Hysteresis

Reset State

MC908AB32CFUE Datasheet(PDF) 39 Page - Freescale Semiconductor, Inc

MC908AB32CFUE Datasheet(HTML) 39 Page - Freescale Semiconductor, Inc

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