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Epson Research and Development

 

Vancouver Design Center

 

 

5.4 Pin Description

Key:

I= Input

O = Output

IO

=

Bi-Directional (Input/Output)

P

=

Power pin

C

=

CMOS level input

CD

=

CMOS level input with pull-down resistor (typical values of 100K/180Kat 5V/3.3V respectively)

CS

= CMOS level Schmitt input

COx

= CMOS output driver, x denotes driver type (1=3/-1.5mA, 2=6/-3mA, 3=12/-6mA)

TSx

= Tri-state CMOS output driver, x denotes driver type (1=3/-1.5mA, 2=6/-3mA, 3=12/-6mA)

TSxD

=

Tri-state CMOS output driver with pull-down resistor (typical values of 100K/180Kat 5V/3.3V

respectively), x denotes driver type (1=3/-1.5mA, 2=6/-3mA, 3=12/-6mA)

 

 

CNx

= CMOS low-noise output driver, x denotes driver type (1=3/-1.5mA, 2=6/-3mA, 3=12/-6mA)

5.4.1 Host Interface

Table 5-1: Host Interface Pin Descriptions

 

 

Pin #

 

Reset =

 

Pin Name

Type

 

 

Driver

Description

F00A

 

F02A

0 Value

 

 

F01A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This pin has multiple functions.

 

 

 

 

 

 

• For SH-3 mode, this pin inputs system address bit 0 (A0).

 

 

 

 

 

 

• For MC68K Bus 1, this pin inputs the lower data strobe (LDS#).

AB0

I

3

5

CS

Hi-Z

• For MC68K Bus 2, this pin inputs system address bit 0 (A0).

 

 

 

 

 

 

• For Generic Bus, this pin inputs system address bit 0 (A0).

 

 

 

 

 

 

See Table 5-9: “Host Bus Interface Pin Mapping,” on page 32 for

 

 

 

 

 

 

summary.

 

 

 

 

 

 

 

AB[20:1]

I

111-128

125-142

C

Hi-Z

System address bus bits [20:1].

 

 

1, 2

3,4

 

 

 

 

 

 

 

 

 

System data bus. Unused data pins should be connected to IO

 

 

 

 

 

 

VDD.

 

 

 

 

 

 

• For SH-3 mode, these pins are connected to D[15:0].

 

 

 

 

 

 

• For MC68K Bus 1, these pins are connected to D[15:0].

DB[15:0]

IO

16-31

18-33

C/TS2

Hi-Z

• For MC68K Bus 2, these pins are connected to D[31:16] for 32-

bit devices (e.g. MC68030) or D[15:0] for 16-bit devices (e.g.

 

 

 

 

 

 

 

 

 

 

 

 

MC68340).

 

 

 

 

 

 

• For Generic Bus, these pins are connected to D[15:0].

 

 

 

 

 

 

See Table 5-9: “Host Bus Interface Pin Mapping,” on page 32for

 

 

 

 

 

 

summary.

 

 

 

 

 

 

 

S1D13504

Hardware Functional Specification

X19A-A-002-18

Issue Date: 01/01/30

Page 28
Image 28
Epson S1D13504 manual Pin Description, Key, AB0, TS2