參數(shù)資料
型號: ISP1583ET2
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PBGA64
封裝: 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, PLASTIC, MO-195, SOT543-1,TFBGA-64
文件頁數(shù): 73/100頁
文件大?。?/td> 508K
代理商: ISP1583ET2
ISP1583_7
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 07 — 22 September 2008
73 of 99
NXP Semiconductors
ISP1583
Hi-Speed USB peripheral controller
13.1.2 Split bus mode
13.1.2.1
ALE function
8051 mode
BUS_CONF/DA0 = LOW: split bus mode
MODE1 = LOW: ALE function
MODE0/DA1 = HIGH: 8051 mode; see Table 3
(1) Programmable polarity: shown as active LOW.
Remark: EOT must be valid for 36 ns (minimum) when pins RW_N/RD_N and DS_N/WR_N are
active.
Fig 25. EOT timing in generic processor mode
EOT(1)
RW_N/RD_N or
DS_N/WR_N
004aaa378
36 ns (min)
DREQ
th1
Table 104. ISP1583 register access timing parameters: multiplexed address/data bus
VCC(I/O) = 1.65 V to 3.6 V; VCC(3V3) = 3.3 V; VGND = 0 V; Tamb = 40 °C to +85 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Reading
tRLRH
RW_N/RD_N LOW pulse width
> tRLDV
--
ns
tRLDV
RW_N/RD_N LOW to data valid delay
-
25
ns
tRHDZ
RW_N/RD_N HIGH to data outputs 3-state delay
0
-
15
ns
tRHSH
RW_N/RD_N HIGH to CS_N HIGH delay
0
-
ns
tLLRL
ALE/A0 LOW set-up time before RW_N/RD_N LOW
0
-
ns
Writing
tWLWH
DS_N/WR_N LOW pulse width
15
-
ns
tDVWH
data set-up time before DS_N/WR_N HIGH
5
-
ns
tLLWL
ALE/A0 LOW to DS_N/WR_N LOW delay
0
-
ns
tWHDZ
data hold time after DS_N/WR_N HIGH
5
-
ns
tWHSH
DS_N/WR_N HIGH to CS_N HIGH delay
0
-
ns
General
Tcy(RW)
read or write cycle time
80
-
ns
tAVLL
address set-up time before ALE/A0 LOW
0
-
ns
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