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GL424 Datasheet(PDF) 21 Page - GENESYS LOGIC

Part # GL424
Description  SD/MMC Flash Card Controller
PDF  34 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL424 Datasheet(HTML) 21 Page - GENESYS LOGIC

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GL424 SD/MMC Flash Card Controller
©2000-2007 Genesys Logic Inc. - All rights reserved.
Page 21
44
HDATA6
B
MMC mode: HDATA6 from/to HOST.
45
HDATA7
B
MMC mode: HDATA7 from/to HOST.
3.2.3 Flash Interface
Table 3.8 - 46 PIN LQFN Flash Interface
Pin No.
Pin Name
Type
Description
11
CE0_
B
‘0’ for FLASH chip 0 to select active (low-active).
12
CE1_
B
‘0’ for FLASH chip 1 to select active (low-active).
14
CLE
B
FLASH command latch enable
13
ALE
B
FLASH address latch enable
46
RE_
B
FLASH read enable (low active)
45
WE_
B
FLASH write enable (low active)
44
BUSY_
B
FLASH ready when high, busy when low.
15
WP_
B
FLASH write protect (low active)
33
DA0
B
FLASH bus bit0
34
DA1
B
FLASH bus bit1
35
DA2
B
FLASH bus bit2
36
DA3
B
FLASH bus bit3
38
DA4
B
FLASH bus bit4
41
DA5
B
FLASH bus bit5
42
DA6
B
FLASH bus bit6
43
DA7
B
FLASH bus bit7
Table 3.9 - 54 PIN VFBGA Flash Interface
Pin No.
Pin Name
Type
Description
B6
CE0_
B
‘0’ for FLASH chip 0 to select active (low-active).
C5
CE1_
B
‘0’ for FLASH chip 1 to select active (low-active).
C6
ALE
B
FLASH address latch enable
D5
CLE
B
FLASH command latch enable
D6
RE_
B
FLASH read enable (low active)
E6
WE_
B
FLASH write enable (low active)



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