參數(shù)資料
型號(hào): ISP1761BE
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Hi-Speed Universal Serial Bus On-The-Go controller
中文描述: 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): 28/158頁
文件大?。?/td> 724K
代理商: ISP1761BE
9397 750 13258
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 12 January 2005
28 of 158
Philips Semiconductors
ISP1761
Hi-Speed USB OTG controller
7.7.1
Hybrid mode
Table 6
shows the description of hybrid mode.
In hybrid mode (see
Figure 9
), V
CC(5V0)
can be switched off using an external PMOS
transistor, controlled using one of the GPIO pins of the processor. This helps to reduce the
suspend current (I
CC(I/O
) below 100
μ
A. If the ISP1761 is used in hybrid mode and
V
CC(5V0)
is off during suspend, a 2 ms reset pulse is required when power is switched
back to on, before starting to program the resume.
Table 7
shows the status of output pins during hybrid mode.
Table 6:
Voltage
V
CC(5V0)
V
CC(I/O)
Hybrid mode
Status
off
on
A 4.7
μ
F to 10
μ
F capacitor is required on any one of the pins—5, 50 and 118.
Fig 9.
Hybrid mode
Table 7:
Pins
DATA[31:0], A[17:1], TEST, HC_IRQ,
DC_IRQ, HC_DREQ, DC_DREQ,
HC_DACK, DC_DACK,
HC_SUSPEND/WAKEUP_N,
DC_SUSPEND/WAKEUP_N
CS_N, RESET_N, RD_N, WR_N
Pin status during hybrid mode
V
CC(I/O)
on
on
off
V
CC(5V0)
on
off
X
Status
normal
high-Z
undefined
on
off
X
X
input
undefined
004aaa676
6, 7
V
CC(I/O)
ISP1761
3.3 V to 5 V
V
CC(5V0)
10, 40, 48,
59, 67, 75,
83, 94,
104, 115
V
REG(1V8)
85
10 μF
100 nF
100 nF
100 nF
1.65 V to 3.6 V
V
REG(1V8)
5, 50, 118
100 nF
+
V
REG(3V3)
9
10 μF
100 nF
+
126
3.3 V
V
CC(C_IN)
100 nF
controlled by the CPU
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