參數(shù)資料
型號: ISP1160BD-S
廠商: ST-ERICSSON
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁數(shù): 5/88頁
文件大?。?/td> 394K
代理商: ISP1160BD-S
Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 05 — 24 December 2004
13 of 88
9397 750 13963
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
In Figure 10 and Figure 11, the DMA transfer is congured such that DREQ is active
HIGH and DACK_N is active LOW.
8.6 Interrupts
The ISP1160 has an interrupt request pin INT.
8.6.1
Pin conguration
The interrupt output signals have four conguration modes:
Mode 0
Mode 0 level trigger, active LOW
Mode 1
Mode 1 level trigger, active HIGH
Mode 2
Mode 2 edge trigger, active LOW
Mode 3
Mode 3 edge trigger, active HIGH.
N
= 1/2 byte count of transfer data.
Fig 10. DMA transfer in single-cycle mode.
004aaa368
DREQ
DACK_N
D[15:0]
EOT
data #1
data #2
data #N
RD_N or
WR_N
N
= 1/2 byte count of transfer data, K = number of cycles/burst.
Fig 11. DMA transfer in burst mode.
004aaa369
data #1
data #K
data #2K
data #N
data #(K
+1)
data #(N
K+1)
DREQ
DACK_N
D[15:0]
EOT
RD_N or
WR_N
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