參數(shù)資料
型號: M66291GP
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP48
封裝: LQFP-48
文件頁數(shù): 39/126頁
文件大?。?/td> 810K
代理商: M66291GP
How to Read Register Tables
Bit Numbers :
Each register is connected with an internal 16-bit wide data bus, so the bit numbers of the
registers located at odd addresses are b15-b8, and those at even addresses are
b7-b0.
State of Register at Reset :
Represents the initial state of each register immediately after reset with hexadecimal
numbers. The "H/W reset" is the reset by an external reset signal; the "S/W reset" is the
reset by the USBE bit of the USB Operation Enable Register.
At Read:
... Read enabled
? ... Read disabled (Read value invalid)
0 ... Read always as 0
1 ... Read always as 1
At Write:
... Write enabled
... Write enable conditionally (includes some conditions at write)
— ... Write disabled (Don’t care “0” and “1” at write)
X Write disabled
<Example of representation>
Not implemented in the shaded portion.
b15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
b0
Abit Bbit Cbit
R H/W reset
0
00
0
S/W reset
0
00
0
USB bus reset
0
00
0
<H/W reset : H'0000>
<S/W reset : ->
<USB bus reset : ->
b
Bit name
Function
R
W
15
Reserved.
0
-
14
A bit
(------------------------)
0: ------------------------
1: ------------------------
00
13
B bit
(------------------------)
0: ------------------------
1: ------------------------
00
12
C bit
(------------------------)
0: ------------------------
1: ------------------------
00
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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