6-2. AC Characteristics

모든 Timing Condition은 내부 System Clock이 24MHz (출력 Sample Frequency는 48 KHz)로 동작한

다고 가정하였다.

6-2-1. External CPU Interface Timing

ITEM

SYMBOL

MIN

TYP

MAX

UNIT

Read Cycle Time

t

RC

136

ns

Access Time from AB0

t

ACC

113

ns

Chip Enable Setup Time

t

CS

0

ns

Chip Enable Hold Time

t

CH

0

ns

AB0 Setup Time

t

AS

0

ns

Write Pulse Width

t

WP

42

ns

Write Enable to Read Enable Delay

t

WR

85

ns

Data Setup Time

t

DS

5

ns

Data Hold Time

t

DH

0

ns

Read Enable to Data setup time

t

RE

5

ns

Hold Time from rising edge of CPU_RDB

t

OH

5

ns

QS5100

Digital FX LSI

t

RC

CSB

CPU AB0

CPU WEB

CPU REB

CPU DATA

t

ACC

t

CS

t

AS

t

CH

t

WR

t

WP

t

DS

t

DH

t

RE

t

OH

Valid Address

Valid Data

6-2-1-1. READ Operation