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参数资料
| 型号： | SL811HS |
| 厂商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分类： | 总线控制器 |
| 英文描述： | SL811HS Embedded USB Host/Slave Controller(SL811HS嵌入式USB主/从控制器) |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 15/32页 |
| 文件大小： | 455K |
| 代理商： | SL811HS |
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SL811HS
Document 38-08008 Rev. *B
Page 22 of 32
4.2.3
SL811HST-AC USB Host Controller Pins Description
The SL811HST-AC is packaged in a 48-pin TQFP. The device requires a 3.3VDC power source. The SL811HST-AC requires an
external 12 or 48 MHz crystal or Clock.
Table 4-2. SL811HST-AC Pin Assignments and Definitions
Pin No.
Pin Type
Pin Name
Pin Description
1
NC
2
NC
3
IN
nWR
Write Strobe Input. An active LOW input used with nCS to Write to
registers/data memory.
4
IN
nCS
Active LOW SL811HST-AC Chip select. Used with nRD and nWr when
accessing SL811HT.
5
IN
CM
Clock Multiply. Select 12-MHz/48-MHz Clock Source.[9]
6
VDD1
+3.3 VDC
Power for USB Transceivers. VDD1 may be connected to VDD.
7
BIDIR
DATA +
USB Differential Data Signal HIGH Side.
8
BIDIR
DATA -
USB Differential Data Signal LOW Side.
9
GND
USB GND
Ground Connection for USB.
10
NC
11
NC
12
NC
13
NC
14
NC
15
VDD
+3.3 VDC
SL811HST-AC Device VDD Power.
[10]
16
IN
CLK/X1
Clock or External Crystal X1 connection.[11]
17
OUT
X2
External Crystal X2 connection.
18
IN
nRST
SL811HST-AC Device active low reset input.
19
OUT
INTRQ
Active HIGH Interrupt Request output to external controller.
20
GND
SL811HST-AC Device Ground.
21
BIDIR
D0
Data 0. Microprocessor Data/(Address) Bus.
22
NC
23
NC
24
NC
25
NC
26
NC
27
BIDIR
D1
Data 1. Microprocessor Data/(Address) Bus.
28
BIDIR
D2
Data 2. Microprocessor Data/(Address) Bus.
29
BIDIR
D3
Data 3. Microprocessor Data/(Address) Bus.
30
GND
SL811HST-AC Device Ground.
31
BIDIR
D4
Data 4. Microprocessor Data/(Address) Bus.
32
BIDIR
D5
Data 5. Microprocessor Data/(Address) Bus.
Notes:
9.
The CM Clock Multiplier pin should be tied HIGH for a 12-MHz clock source and tied to ground for a 48-MHz clock source. In SL11H, this pin was designated
as ALE input pin.
10. VDD can be derived from the USB supply. See diagram.
11. The X1/X2 Clock requires external 12- or 48-MHz matching crystal or clock source.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SL811HS_07 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Embedded USB Host/Slave Controller |
| SL811HS_11 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Embedded USB Host/Slave Controller |
| SL811HS-DK | 制造商:Cypress Semiconductor 功能描述:Embedded USB Host/Slave Controller 28-Pin PLCC |
| SL811HS-JCT | 制造商:Cypress Semiconductor 功能描述: |
| SL811HST | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:Embedded USB Host/Slave Controller |
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