參數(shù)資料
型號(hào): ISP1582BS,557
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQCC56
封裝: 8 X 8 MM, 0.85 MM PITCH, PLASTIC, MO-220, SOT-684-1, HVQFN-56
文件頁(yè)數(shù): 13/69頁(yè)
文件大小: 365K
代理商: ISP1582BS,557
ISP1582_7
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 07 — 22 September 2008
19 of 68
NXP Semiconductors
ISP1582
Hi-Speed USB peripheral controller
7.15.2 Bus-powered mode
In bus-powered mode (see Figure 12), VCC and VCC(I/O) are supplied by the output of the
5 V-to-3.3 V voltage regulator. The input to the regulator is from VBUS. On plugging the
USB cable, the ISP1582 goes through the power-on reset cycle. In this mode, OTG is
disabled.
Table 10.
Operation truth table for OTG
ISP1582 operation
Power supply
OTG register
VCC
VCC(I/O)
RPU
(3.3 V)
VBUS
SRP is not applicable
3.3 V
5 V
not applicable
SRP is possible
3.3 V
0 V
operational
VCC(I/O) is powered by VBUS.
Fig 12. Bus-powered mode
Table 11.
Operation truth table for SoftConnect
ISP1582 operation
Power supply
Bit SOFTCT in
Mode register
VCC
VCC(I/O)
RPU
(3.3 V)
VBUS
Normal bus operation
3.3 V
5 V
enabled
Power loss
0 V
not applicable
Table 12.
Operation truth table for clock off during suspend
ISP1582 operation
Power supply
Clock off during
suspend
VCC
VCC(I/O)
RPU
(3.3 V)
VBUS
Clock will wake up:
After resume and
After a bus reset
3.3 V
5 V
enabled
Power loss
0 V
not applicable
004aaa462
ISP1582
5 V-to-3.3 V
USB
VOLTAGE
REGULATOR
1 M
VCC
VCC(I/O)
VBUS
RPU
1
F
1.5 k
3.3 V
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ISP1583 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Hi-Speed Universal Serial Bus peripheral controller