pdiusbd12pwdh NXP Semiconductors, pdiusbd12pwdh Datasheet - Page 27

• Manufacturer Part Number: pdiusbd12pwdh
• Description: Usb Interface Device With Parallel Bus
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 18.
PDIUSBD12_9
Product data sheet
Symbol
Single-cycle DMA timing
t
t
t
t
Burst DMA timing
t
t
EOT timing
t
AHRH
SHAH
RHSH
EL
SLRL
RHNDV
ELRL
Fig 18. Parallel interface timing (I/O and DMA)
DMACK_N
DATA[7:0]
DATA[7:0]
WR_N
CS_N
RD_N
Parameter
DMACK_N HIGH to DMREQ HIGH time
RD_N/WR_N HIGH to DMACK_N HIGH
time
DMREQ HIGH to RD_N/WR_N HIGH
time
EOT_N LOW pulse width
RD_N/WR_N LOW to DMREQ LOW time
RD_N (only) HIGH to next data valid
EOT_N LOW to DMREQ LOW time
Dynamic characteristics (DMA)
A0
t
t
t
t
CLWL
AVWL
AVRL
CLRL
t
COMMAND = 1, DATA = 0
RLDD
t
t
RL
WL
t
WDSU
VALID DATA
VALID DATA
Rev. 09 — 11 May 2006
Conditions
simultaneous DMACK_N,
RD_N/WR_N and EOT_N
LOW time
t
t
t
t
WHCH
WHAX
t
RHCH
RHDZ
WDH
t
t
(WC - WD)
(WC - RD)
t
RHNDV
USB peripheral controller with parallel bus
t
RC
t
WC
t
RLDD
Min
-
130
120
10
-
-
-
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PDIUSBD12
Typ
-
-
-
-
-
-
-
VALID DATA
Max
330
-
-
-
40
420
40
004aaa058
Unit
ns
ns
ns
ns
ns
ns
ns
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