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参数资料
型号： ISP1561BM,557
厂商： ST-ERICSSON
元件分类： 总线控制器
英文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封装： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件页数： 82/103页
文件大小： 457K
代理商： ISP1561BM,557
ISP1561_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 5 March 2007
8 of 103
NXP Semiconductors
ISP1561
HS USB PCI Host Controller
VDD
73
-
supply voltage (3.3 V)
AD[7]
74
I/O
bit 7 of multiplexed PCI address and data
AD[6]
75
I/O
bit 6 of multiplexed PCI address and data
DGND
76
-
digital ground
AD[5]
77
I/O
bit 5 of multiplexed PCI address and data
AD[4]
78
I/O
bit 4 of multiplexed PCI address and data
AD[3]
79
I/O
bit 3 of multiplexed PCI address and data
VDD
80
-
supply voltage (3.3 V)
AD[2]
81
I/O
bit 2 of multiplexed PCI address and data
AD[1]
82
I/O
bit 1 of multiplexed PCI address and data
DGND
83
-
digital ground
AD[0]
84
I/O
bit 0 of multiplexed PCI address and data
VAUX
85
-
auxiliary voltage (3.3 V)
DGND
86
-
digital ground
XTAL1
87
I
crystal input; directly connected to a 12 MHz crystal; when this
pin is connected to an external 48 MHz oscillator source,
pin XTAL2 must be left open
Remark: This pin works in conjunction with pin SEL48M.
XTAL2
88
O
crystal output; directly connected to a 12 MHz crystal; when
XTAL1 is connected to an external 48 MHz oscillator source, this
pin must be left open
Remark: This pin works in conjunction with pin SEL48M.
OC1
89
I
overcurrent sense input for the USB downstream port 1 (digital)
push-pull; TTL with hysteresis; 5 V tolerant
PWE1
90
O
power enable for USB downstream port 1 (open-drain)
10 ns slew rate control; TTL; 5 V tolerant
GL1
91
O
GoodLink LED indicator output for USB downstream port 1
(open-drain); the LED is off by default, blinks on at USB trafc
10 ns slew rate control; TTL; 5 V tolerant
AMB1
92
O
amber LED indicator output for USB downstream port 1
(open-drain); the LED is off by default; the LED can be
programmed to enable it to blink
10 ns slew rate control; TTL; 5 V tolerant
AVAUX
93
-
analog auxiliary voltage (3.3 V); supply voltage
GND_RREF
94
-
reference ground; RREF resistor must be connected to this pin
GRN1
95
O
green LED indicator output for USB downstream port 1
(open-drain); the LED is off by default; the LED can be
programmed to enable it to blink
10 ns slew rate control; TTL; 5 V tolerant
OC2
96
I
overcurrent sense input for USB downstream port 2 (digital)
push-pull; TTL with hysteresis; 5 V tolerant
PWE2
97
O
power enable for USB downstream port 2 (open-drain)
10 ns slew rate control; TTL; 5 V tolerant
Table 2.
Pin description …continued
Symbol[1]
Pin
Type
Description
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