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): 21/100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
26 of 99
NXP Semiconductors
ISP1583
Hi-Speed USB peripheral controller
8.16.2 Self-powered mode
In self-powered mode, VCC(3V3) and VCC(I/O) are supplied by the system. See Figure 15.
[1]
When the USB cable is removed, SoftConnect is disabled.
VCC(I/O) and VCC(3V3) are system powered.
Fig 15. Self-powered mode
Table 13.
Operation truth table for SoftConnect
ISP1583 operation
Power supply
Bit SOFTCT
in Mode
register
VCC(3V3)
VCC(I/O)
RPU
(3.3 V)
VBUS
Normal bus operation
3.3 V
5 V
enabled
No pull up on DP
3.3 V
0 V[1]
disabled
Table 14.
Operation truth table for clock off during suspend
ISP1583 operation
Power supply
Clock off
during
suspend
VCC(3V3)
VCC(I/O)
RPU
(3.3 V)
VBUS
Clock will wake up:
After a resume and
After a bus reset
3.3 V
5 V
enabled
Clock will wake up:
After detecting the presence of VBUS
3.3 V
0 V
→ 5 V
enabled
Table 15.
Operation truth table for back voltage compliance
ISP1583 operation
Power supply
Bit SOFTCT in
Mode register
VCC(3V3)
VCC(I/O)
RPU
(3.3 V)
VBUS
Back voltage is not measured in this
mode
3.3 V
5 V
enabled
Back voltage is not an issue because pull
up on DP will not be present when VBUS
is not present
3.3 V
0 V
disabled
004aaa461
ISP1583
USB
1 M
VCC(3V3)
VCC(I/O)
VBUS
RPU
VBUS
1.5 k
1 F
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