參數(shù)資料
型號: ISD-300A1
英文描述: Universal Serial Bus
中文描述: 通用串行總線
文件頁數(shù): 10/67頁
文件大?。?/td> 580K
代理商: ISD-300A1
ISD-300A1
5
October 19, 2001
Pin Name
TQFP
Pin #
Dir
Type
Description
DM
15
IO
USB IO
USB high speed IO buffer (D
).
USB high speed IO buffer (D
+
).
USB full speed output buffer (D
+
). RSDP also
functions as a current sink for termination during
HS operation.
DP
13
IO
USB IO
RSDP
12
O
USB IO
RPU
10
O
USB output
RPU sources power for the 1.5K ohm resistor
attached to D
+
during full speed operation.
PLL voltage reference. Current source for 9.1K
ohm resistor (1%) connected to AVSS.
RREF
6
Analog
TMC1
57
I
ASIC test
Fabrication only. Connect to VSS.
TMC2
PVDD
60
I
ASIC test
Fabrication only. Connect to VSS.
19
Analog 3.3V supply (PLL)
PVSS
18
Analog 3.3V ground (PLL)
AVDD
8
Analog 3.3V supply
AVSS
7, 9
Analog ground
VDD
1, 14, 21, 25, 32, 43, 51,
68, 75, 83, 91
3.3V digital supply
VSS
5, 11, 17, 20, 26, 29, 41,
50, 58, 66, 76, 85, 93,
100
Digital ground
Table 2 – Pin Descriptions
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