SIGNAL DESCRIPTIONS

8XC196MD. Table B-9 lists the same information for the 8XC196MH. Table B-7 defines the symbols used to represent the pin status. Refer to the DC Characteristics table in the datasheet for actual specifications for VOL, VIL, VOH, and VIH.

Table B-7. Definition of Status Symbols

Symbol

Definition

 

Symbol

Definition

 

 

 

 

 

0

Voltage less than or equal to VOL, VIL

 

MD0

Medium pull-down

1

Voltage greater than or equal to VOH, VIH

 

MD1

Medium pull-up

HiZ

High impedance

 

WK0

Weak pull-down

LoZ0

Low impedance; strongly driven low

 

WK1

Weak pull-up

LoZ1

Low impedance; strongly driven high

 

ODIO

Open-drain I/O

Table B-8. 8XC196MC and MD Default Signal Conditions

Port Signals

Alternate

During

Upon RESET#

 

 

Inactive

Idle

Powerdown

Functions

RESET# Active

 

(Note 14)

 

 

 

 

 

 

 

 

 

 

 

 

 

P0.7:0

ACH7:0

HiZ

HiZ

HiZ

P1.1:0

ACH9:8

HiZ

HiZ

HiZ

P1.2

ACH10/T1CLK

HiZ

HiZ

HiZ

P1.3

ACH11/T1DIR

HiZ

HiZ

HiZ

P1.4

ACH12

HiZ

HiZ

HiZ

P1.5 (Note 15)

ACH13

HiZ

HiZ

HiZ

P1.7:6 (Note 15)

HiZ

HiZ

HiZ

P2.0

EPA0

WK1 (Note 1)

WK1

(Note 12)

(Note 12)

P2.1

EPA1

WK1

WK1

(Note 12)

(Note 12)

P2.3:2

EPA3:2

WK1

WK1

(Note 12)

(Note 12)

P2.6:4

COMP2:0

WK1

WK1; except

(Note 12)

(Note 12)

 

 

 

P2.5 = LZ

 

 

 

 

 

(Note 1)

 

 

P2.7

COMP3

WK1

WK1

(Note 12)

(Note 12)

P3.7:0

AD7:0

WK1

HiZ

(Note 3)

(Note 3)

P4.7:0

AD15:8

WK1

HiZ

(Note 3)

(Note 3)

P5.0

ADV#/ALE

WK1 (Note 1)

WK1 (Note 4)

(Note 8)

(Note 8)

P5.1

INST

WK1

WK1

(Note 9)

(Note 9)

P5.2

WR#/WRL#

WK1 (Note 1)

WK1

(Note 10)

(Note 10)

P5.3

RD#

WK1 (Note 1)

WK1 (Note 4)

(Note 10)

(Note 10)

P5.4

ONCE#

MD1

LZ (Note 1)

(Note 10)

(Note 10)

P5.5

BHE#/WRH#

WK1

WK1 (Note 4)

(Note 10)

(Note 10)

P5.6

READY

WK1

(Note 5)

(Note 11)

(Note 11)

P5.7

BUSWIDTH

WK1

(Note 6)

(Note 11)

(Note 11)

P6.0

WG1#

WK1

WK1

(Note 13)

(Note 13)

P6.1

WG1

WK1

WK1

(Note 13)

(Note 13)

P6.2

WG2#

WK1

WK1

(Note 13)

(Note 13)

B-23

Page 472
Image 472
Intel 8XC196MH, 8XC196MD manual Table B-7. Definition of Status Symbols, Table B-8 XC196MC and MD Default Signal Conditions