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PDF GL823 Data sheet ( Hoja de datos )
| Número de pieza | GL823 | |
| Descripción | USB 2.0 SD/MMC Card Reader Controller | |
| Fabricantes | GENESYS LOGIC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de GL823 (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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Genesys Logic, Inc.
GL823
USB 2.0 SD/MMC Card Reader
Controller
Datasheet
Revision 1.08
Dec. 11, 2014
1 page  
GL823 Datasheet
List of Figures
Figure 3.1 - 24 Pin SSOP Pin out Diagram ............................................................................ 8
Figure 3.2 - 24 Pin QFN (A) Pin out Diagram ....................................................................... 9
Figure 3.3 - 24 Pin QFN (B) Pin out Diagram ..................................................................... 10
Figure 4.1 - Functional Block Diagram................................................................................ 13
Figure 5.1 - 5V to 3.3V Regulator Architecture .................................................................. 16
Figure 5.2 - Embedded PMOS Switch Architecture ........................................................... 17
Figure 5.3 - Timing Diagram of Reset Width ...................................................................... 17
Figure 5.4 - Timing Diagram of Power Good to USB Command Receive Ready ............ 18
Figure 6.1 - SSOP 24 Pin Package ........................................................................................ 19
Figure 6.2 - QFN 24 Pin Package.......................................................................................... 20
List of Tables
Table 2.1 - Product Difference Overview............................................................................... 7
Table 3.1 - GL823 Pin List/Descriptions .............................................................................. 11
Table 5.1 – Temperature Conditions.................................................................................... 15
Table 5.2 - Operating Conditions.......................................................................................... 15
Table 5.3 - DC Characteristics .............................................................................................. 15
Table 5.4 - Regulator Output Current ................................................................................. 16
Table 5.5 - PMOS I-V Table.................................................................................................. 17
Table 5.6 - Reset Timing ........................................................................................................ 18
Table 5.7 - SD/MMC Card Clock Frequency ...................................................................... 18
Table 7.1 - Ordering Information ......................................................................................... 21
© 2014 Genesys Logic, Inc. - All rights reserved.
GLI Confidential
Page 5
5 Page 
GL823 Datasheet
3.3 Pin List/Descriptions
Table 3.1 - GL823 Pin List/Descriptions
Pin Name
DVDD
AVDD
VBUS
GND
PMOS
G1
DM
DP
RREF
SD_WP
SD_CDZ
SD_CLK
SD_CMD
D[3:0]
RSTZ
TEST
GPIO3
GPIO6
GPIO8
GPIO9
LED
SCL
SDA
SSOP
24 pin
QFN
24 pin (A)
QFN
24 pin (B)
Type
Power/Ground
Description
6, 14
13,23
15,23
P 3.3V Digital power
21 6
6 P 3.3V Analog power
15 - 24 P 5V Power source
5, 22
7
-
24
14
Die Pad
7
16
Die Pad
P Ground
Card power: 300mA, Drain-Source
P On-Resistance (RDS)= 1Ω (Max.) @3.3V, 25C
P Ground
USB PHY Interface
18 3
3 A USB D-
19 4
20 5
4 A USB D+
USB reference resistor. This pin is used to
control the level of USB signal. A 680Ohm, 1%
5 A resistor is recommended to be laid between
RREF and GND
SD Card Interface
SD Write Protect signal
24 8
9 I, pu 0: Write enable
1: Write protect
SD/MMC Card Detect signal
1 9 10 I, pu 0: Card insert
1: No card
4 12 13 O SD/MMC Clock signal
8 16 17 B, pu SD/MMC Command signal
9, 10, 2, 3 18,19,10,11 18,19,11,12 B, pu SD/MMC Data signal
Others
23 7
8 I, pu This pin is used to reset the chip, active-low
This pin is used to test the chip.
12 21 21 I, pd 0: Normal operation
1: Test mode
13 22 22 B Hardware configuration
5 - 14 B Hardware configuration
- 15 - B Hardware configuration
- 17 - B Hardware configuration
11 20 20 O Power & Access LED
16 1
1 B Serial EEPROM Clock signal
17 2
2 B Serial EEPROM Data signal
© 2014 Genesys Logic, Inc. - All rights reserved.
GLI Confidential
Page 11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet GL823.PDF ] | |
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