參數(shù)資料
型號(hào): ISP1761BE,518
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT425-1, LQFP-128
文件頁數(shù): 9/164頁
文件大小: 767K
代理商: ISP1761BE,518
ISP1761_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 13 March 2008
105 of 163
NXP Semiconductors
ISP1761
Hi-Speed USB OTG controller
10.5.2 Mode register
This register consists of 2 bytes (bit allocation: see Table 100).
The Mode register controls resume, suspend and wake-up behavior, interrupt activity, soft
reset and clock signals.
[1]
The reserved bits should always be written with the reset value.
Table 99.
Address register (address 0200h) bit description
Bit
Symbol
Description
7
DEVEN
Device Enable: Logic 1 enables the device. The device will not
respond to the host, unless this bit is set.
6 to 0
DEVADDR[6:0]
Device Address: This eld species the USB device peripheral.
Table 100. Mode register (address 020Ch) bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
reserved[1]
DMACLK
ON
VBUSSTAT
Reset
00000000
Bus reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
CLKAON
SNDRSU
GOSUSP
SFRESET
GLINTENA
WKUPCS
reserved[1]
Reset
00000000
Bus reset
0000
unchanged
0
unchanged
Access
R/W
Table 101. Mode register (address 020Ch) bit description
Bit
Symbol
Description
15 to 10
-
reserved
9
DMACLKON
DMA Clock On:
1 — Supply clock to the DMA circuit.
0 — Power saving mode. The DMA circuit will stop completely to save
power.
8
VBUSSTAT
VBUS Status: This bit reects the VBUS pin status.
When implementing a pure host or peripheral, the OTG_DISABLE bit in
the OTG Control register (374h) must be set to logic 1 so that the
VBUSSTAT bit is updated with the correct value.
7
CLKAON
Clock Always On:
1 — Enable the Clock-Always-On feature
0 — Disable the Clock-Always-On feature
When the Clock-Always-On feature is disabled, a GOSUSP event can
stop the clock. The clock is stopped after a delay of approximately 2 ms.
Therefore, the peripheral controller will consume less power.
If the Clock-Always-On feature is enabled, clocks are always running
and the GOSUSP event is unable to stop the clock while the peripheral
controller enters the suspend state.
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