參數(shù)資料
型號: ISP1160BM
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Embedded Universal Serial Bus Host Controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64
文件頁數(shù): 77/88頁
文件大小: 2044K
代理商: ISP1160BM
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 04 — 04 July 2003
77 of 88
9397 750 11371
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
17.2.2
Burst mode DMA timing
[1]
T
DC
= t
SLAL
+
(4 or 8)T
RC
+
t
DS
Fig 36. Single-cycle DMA timing.
004aaa371
DREQ
DACK_N
D[15:0]
(read)
D[15:0]
(write)
RD_N or
WR_N
tDS
tAHRH
TDC
data
valid
data
valid
tALRL
tRHAL
tWHD
tWSU
tRLDV
tRHDZ
tSHAH
Table 75:
Symbol
Read/write timing (for 4-cycle and 8-cycle burst mode)
t
RLRH
WR_N/RD_N LOW pulse width
t
RHRL
WR_N/RD_N HIGH to next
WR_N/RD_N LOW
T
RC
WR_N/RD_N cycle
t
SLRL
RD_N/WR_N LOW to DREQ LOW
t
SHAH
RD_N/WR_N HIGH to
DACK_N HIGH
t
SLAL
DREQ HIGH to DACK_N LOW
T
DC
DREQ cycle
t
DS(read)
DREQ pulse spacing (read)
t
DS(read)
DREQ pulse spacing (read)
t
DS(write)
DREQ pulse spacing (write)
t
DS(write)
DREQ pulse spacing (write)
t
RLIS
RD_N/WR_N LOW to EOT LOW
Dynamic characteristics: burst mode DMA timing
Parameter
Conditions
Min
Typ
Max
Unit
42
60
-
-
-
-
ns
ns
102
22
0
-
-
-
-
64
-
ns
ns
ns
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
[1]
-
4-cycle burst mode
8-cycle burst mode
4-cycle burst mode
8-cycle burst mode
105
150
72
167
0
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