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參數(shù)資料
| 型號： | GL824-MZGXX |
| 廠商： | Genesys Logic, Inc. |
| 英文描述： | USB 2.0 On-The-Go Controller |
| 中文描述： | 個USB 2.0和On - The - Go控制器 |
| 文件頁數(shù)： | 27/56頁 |
| 文件大?。?/td> | 1464K |
| 代理商： | GL824-MZGXX |
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GL824/GL824C USB 2.0 On-The-Go Controller
2000-2006 Genesys Logic Inc. - All rights reserved.
Page 27
Table 5.1 - AC Characteristics
Symbol
Parameter
Min.
Max.
Unit
tWL
tWH
tSU
tH
tV
Clock Low Time
Clock High Time
Data Setup Time
Data Hold Time
Data Valid Time
35
35
-
-
-
-
-
ns
ns
ns
ns
ns
1/2 * tWL
3/4 * tWL
1/4 * tWL
5.5 UART (
Universal Asynchronous Receiver/Transmitter)
GL824 has three 16-bit timers/counters that are same as the timer of the standard 8052 family up to 921.6Kbps.
The serial port has three asynchronous modes of operation. For fingerprint sensor application, the data frame
consists of 10 bits: one start bit, eight data bits and one stop bit. Serial data is transmitted on the TxD pin and
received on the RxD pin. The data frame shows in
Figure 5.5
.
D0
D1
D2
D3
D4
D5
D6
D7
D8
Start Bit
Data Byte
Ninth Data Bit (Modes 2 and 3 only)
Stop Bit
Figure 5.5 - Data Frame
5.6 Host Interface
l
Pin Description
/CS: Chip Select and active low.
A0: Command/Status and Data select. When A0 is high, GL824 is operation at Command Write and
Status Read mode. When A0 is low, GL824 is operation at continues data receive/transfer mode.
/RE: Read Enable; Active low. GL824 read frequency must lower than 30 MHz.
/WE: Write Enable; Active low. Write frequency must lower than 30 MHz.
Data[0:15]: 16 bit Data bus
WSTS: Command/Data Write Status. When WSTS is high, it indicated that GL824 is ready for HOST
write command/data.
RSTS: Command/Data Read Status. When RSTS is high, it indicated that GL824 is ready for HOST
read data/status.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| GL826 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Multi-Slot Flash Card Reader Controller (All-in-one with Dual SD/MMC bus Interface) |
| GL826-MNG | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Multi-Slot Flash Card Reader Controller (All-in-one with Dual SD/MMC bus Interface) |
| GL826-MXG | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Multi-Slot Flash Card Reader Controller (All-in-one with Dual SD/MMC bus Interface) |
| GL827 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
| GL827-HHG | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
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