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MTC20455

Table 2. I/O driver function

Driver

Function

BD4STARP_TC

CMOS bi-directional, 4mA, schmitt trigger on input, active slew rate control, 3.3V capable

BD8STARP_TC

CMOS bi-directional, 8mA, schmitt trigger on input, active slew rate control, 3.3V capable

TLCHT_TC

TTL input, 3.3V compatible

TLCHTDQ_TC

TTL input, 3.3V compatible, pull down, IDDq control

TLCHTUQ_TC

TTL input, 3.3V compatible, pull up, IDDq control

Table 3. PQFP 160 pin list

Pin #

Signal Name

Signal

type

Technology

Description

1VSS

G

2

AD_00

B

BD8STARP_TC

Address/Data Bus

3

AD_01

B

BD8STARP_TC

Address/Data Bus

4

AD_02

B

BD8STARP_TC

Address/Data Bus

5

AD_03

B

BD8STARP_TC

Address/Data Bus

6

VDDIO

P

VSSIO+3.3V

7

AD_04

B

BD8STARP_TC

Address/Data Bus

8

AD_05

B

BD8STARP_TC

Address/Data Bus

9

AD_06

B

BD8STARP_TC

Address/Data Bus

10

AD_07

B

BD8STARP_TC

Address/Data Bus

11

VSSIO

G

12

AD_08

B

BD8STARP_TC

Address/Data Bus

13

AD_09

B

BD8STARP_TC

Address/Data Bus

14

AD_10

B

BD8STARP_TC

Address/Data Bus

15

AD_11

B

BD8STARP_TC

Address/Data Bus

16

VDD

P

VSS+1.8V

17

AD_12

B

BD8STARP_TC

Address/Data Bus

18

AD_13

B

BD8STARP_TC

Address/Data Bus

19

AD_14

B

BD8STARP_TC

Address/Data Bus

20

AD_15

B

BD8STARP_TC

Address/Data Bus

21

VSS

G

22

PCLK

I

TLCHT_TC

Processor Clock

23

BE

I

TLCHT_TC

Address bit 1

24

ALE

I

TLCHT_TC

Address Latch

25

CSB_0

I

TLCHT_TC

Chip select line 0

26

VDD

P

VSS+1.8V

27

CSB_1

I

TLCHT_TC

Chip select line 1

28

CSB_2

I

TLCHT_TC

Chip select line 2

29

CSB_3

I

TLCHT_TC

Chip select line 3

30

WR_RDB

I

TLCHT_TC

Write/Not read

31

VSS

G

32

RDYB

OZ

BD4STARP_TC

Ready indication

33

OBC_TYPE

I-PD

TLCHTDQ_TC

I960/Generic selection

34

INTB_0

O

BD4STARP_TC

Requests OBC interrupt service line 0