GL816 USB 2.0 Flash Card Reader Controller

© 2004 Genesys Logic Inc. - All rights reserved.

Page 18

6.3 AC Characteristics

6.3.1 UTMI Transceiver

The GL816 is fully compatible with Universal Serial Bus specification rev. 2.0 and USB 2.0 Transceiver

Macercell Interface (UTMI) specification rev. 1.01. Please refer to the specifications for more information.

6.3.2 External Flash

NVMA[0..15]

dddddxdddddddddddddddxddddd

\\\\\;\\\\\\\\\\\\\\@’ \\\\\

NVMOE#

lllllrhhhhhhhhhhhhhhhflllll

\\\\\;\\\@;\\\\\@’ \\\;\\@’ \

NVMWE#

hhhhhhhhhhfllllllrhhhhhhhhh

NVMD[0..7]

dddddxddddxddddddddddxdddxd

Figure 6.1 - Timing Diagram of External Flash

Parameter

Description

Min

Typ

Max

Unit

Write data cycle time

102.5

Write pulse width

41.6

OE# to WE# time

38.6

Read Access time

90

ns

6.3.3 PCMCIA

Read

A[0..16]

dxddddddddddddddddddddddddd

\\\\\\\\\\\\\;\\\@;\\@’ \\\\

OE# / IOR#

hhhhhhhfllllllllllrhhhhhhfl

\\\\\\\;\\\\\\\\\\\\\\\\@’ \

D[0..15]

zzzzzzzzzzzzznddddddddozzzz

Write

A[0..16]

dxddddddddddddddddddddddddd

\\\\;\\@;\\\\\\\\@;\\@’ \\\\

WE# / IOW#

hhhhhhhhflllllllllrhhhhhhfl

\\\\\\\;\\\\\\\\\\\\\\\\@’ \

D[0..15]

zzzzndddddddddddddddddozzzz

Figure 6.2 - Timing Diagram of PCMCIA

Twc

Tow

Tww

Tra

Tds

Tdh

Tdc

Tdp

Tdd

Tdc

Tpw