HCS08 datasheet(30/290 Pages) MOTOROLA

30 / 290 page

Pins and Connections

MC9S08GB/GT

MOTOROLA

2.3.6 Signal Properties Summary

Table 2-2 summarizes I/O pin characteristics. These characteristics are determined by the way the

common pin interfaces are hardwired to internal circuits.

Table 2-2 Signal Properties

Name

Dir

High

Current Pin

Output

Slew (1)

Pull-Up(2)

Comments

VDD

——

—

VSS

——

—

VDDAD

——

—

VSSAD

——

—

VREFH

——

—

VREFL

——

—

RESET

I/O

Pin contains integrated pullup.

IRQ

—

IRQPE must be set to enable IRQ function.

IRQ does not have a clamp diode to VDD. IRQ should

not be driven above VDD.

Pullup/pulldown active when IRQ pin function

enabled. Pullup forced on when IRQ enabled for

falling edges; pulldown forced on when IRQ enabled

for rising edges.

PTA0/KBIP0

I/O

SWC

PTA1/KBIP1

I/O

SWC

PTA2/KBIP2

I/O

SWC

PTA3/KBIP3

I/O

SWC

PTA4/KBIP4

I/O

SWC

Pullup/pulldown active when KBI pin function

enabled. Pullup forced on when KBIPx enabled for

falling edges; pulldown forced on when KBIPx

enabled for rising edges.

PTA5/KBIP5

I/O

SWC

PTA6/KBIP6

I/O

SWC

PTA7/KBIP7

I/O

SWC

PTB0/AD0

I/O

SWC

PTB1/AD1

I/O

SWC

PTB2/AD2

I/O

SWC

PTB3/AD3

I/O

SWC

PTB4/AD4

I/O

SWC

PTB5/AD5

I/O

SWC

PTB6/AD6

I/O

SWC

PTB7/AD7

I/O

SWC

PTC0/TxD2

I/O

SWC

When pin is conﬁgured for SCI function, pin is

conﬁgured for partial output drive.

PTC1/RxD2

I/O

SWC

PTC2/SDA

I/O

SWC

PTC3/SCL

I/O

SWC

PTC4

I/O

SWC

PTC5

I/O

SWC

Not available on 42-pin pkg

PTC6

I/O

SWC

Not available on 42-pin pkg

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