Epson Research and Development

Page 37

Vancouver Design Center

 

 

 

Table 7-1: SH-3 Interface Timing

Symbol

Parameter

Min

Max

Units

 

 

 

 

 

t1

Clock period

25

 

ns

 

 

 

 

 

t2

Clock pulse width high

5

 

ns

 

 

 

 

 

t3

Clock pulse width low

5

 

ns

 

 

 

 

 

t4

A[20:0], M/R#, RD/WR# setup to CKIO

4

 

ns

 

 

 

 

 

t5

A[20:0], M/R#, RD/WR# hold from CS#

0

 

ns

 

 

 

 

 

t6

BS# setup

3

 

ns

 

 

 

 

 

t7

BS# hold

0

 

ns

 

 

 

 

 

t8

CSn# setup

0

 

ns

 

 

 

 

 

t92

Falling edge RD# to D[15:0] driven

3

 

ns

t10

Rising edge CSn# to WAIT# tri-state

0

4

ns

 

 

 

 

 

t111

Falling edge CSn# to WAIT# driven

1

11

ns

t12

CKIO to WAIT# delay

3

15

ns

 

 

 

 

 

t13

D[15:0] setup to first CKIO after BS# (write cycle)

0

 

ns

 

 

 

 

 

t14

D[15:0] hold (write cycle)

0

 

ns

 

 

 

 

 

t15

D[15:0] valid to WAIT# rising edge (read cycle)

0

 

ns

 

 

 

 

 

t16

Rising edge RD# to D[15:0] tri-state (read cycle)

2

9

ns

 

 

 

 

 

1.If the S1D13504 host interface is disabled, the timing for WAIT# driven is relative to the fall- ing edge of CSn# or the first positive edge of CKIO after A[20:0] and M/R# become valid, whichever occurs later.

2.If the S1D13504 host interface is disabled, the timing for D[15:0] driven is relative to the fall- ing edge of RD# or the first positive edge of CKIO after A[20:0] and M/R# become valid, whichever occurs later.

Hardware Functional Specification

S1D13504

Issue Date: 01/01/30

X19A-A-002-18

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Image 43
Epson S1D13504 manual Symbol Parameter Min Max Units