11

6308A–DRMSD–10-May-07

ATSAM2195

6.

Timings

6.1

Slave 8-bit Parallel Interface

This interface is typically used to connect the chip to an host processor.

Figure 6-1.

8-bit Parallel Interface Read Cycle

Figure 6-2.

8-bit Parallel Interface Write Cycle

A0

D0 - D7

CS

RD

IRQ

A0

D0 - D7

CS

WR

Table 6-1.

Timings

Parameter

Symbol

Min

Typ

Max

Unit

Address valid to chip select low

t

AVCS

0

--ns

Chip select low to RD low

5

--ns

RD high to CS high

5

--ns

RD pulse width

t

PRD

50

--ns

Data out valid from RD

--20

ns

Data out hold from RD

5

-

10

ns