Z8F2402 datasheet(33/246 Pages) ZILOG

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PS017610-0404

Signal and Pin Descriptions

Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x

Z8 Encore!®

Pin Characteristics

Table 3 provides detailed information on the characteristics for each pin available on the

Z8F640x family products. Data in Table 3 is sorted alphabetically by the pin symbol mne-

monic.

Reset

RESET

RESET. Generates a Reset when asserted (driven Low).

Power Supply

VDD

Power Supply.

AVDD

Analog Power Supply.

VSS

Ground.

AVSS

Analog Ground.

Table 3. Pin Characteristics of the

Z8F640x family

Symbol

Mnemonic

Direction

Reset

Direction

Active Low

Active High

Tri-State

Output

Internal

Pull-up or

Pull-down

Schmitt

Trigger

Input

Open Drain

Output

AVSS

N/A

AVDD

N/A

DBG

I/O

N/A

Yes

VSS

N/A

PA[7:0]

I/O

N/A

Yes

Yes,

Programmable

PB[7:0]

I/O

N/A

Yes

Yes,

Programmable

PC[7:0]

I/O

N/A

Yes

Yes,

Programmable

PD[7:0]

I/O

N/A

Yes

Yes,

Programmable

PE7:0]

I/O

N/A

Yes

Yes,

Programmable

x represents integer 0, 1,... to indicate multiple pins with symbol mnemonics that differ only by the integer

Table 2. Signal Descriptions (Continued)

Signal Mnemonic

I/O

Description

Z8F2402 Datasheet(PDF) 33 Page - Zilog, Inc.

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