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GL424 Datasheet(PDF) 22 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) 22 Page - GENESYS LOGIC

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GL424 SD/MMC Flash Card Controller
©2000-2007 Genesys Logic Inc. - All rights reserved.
Page 22
E5
BUSY_
B
FLASH ready when high, busy when low.
D4
WP_
B
FLASH write protect (low active)
J5
DA0
B
FLASH bus bit0
J6
DA1
B
FLASH bus bit1
H5
DA2
B
FLASH bus bit2
H6
DA3
B
FLASH bus bit3
G6
DA4
B
FLASH bus bit4
F5
DA5
B
FLASH bus bit5
F6
DA6
B
FLASH bus bit6
E4
DA7
B
FLASH bus bit7
Table 3.10 – Die Pad Flash Interface
Pad No.
Pad Name
Type
Description
PAD25
PAD_CE0_B
B
‘0’ for FLASH chip 0 to select active (low-active).
PAD26
PAD_CE1_B
B
‘0’ for FLASH chip 1 to select active (low-active).
PAD28
PAD_CLE
B
FLASH command latch enable
PAD27
PAD_ALE
B
FLASH address latch enable
PAD30
PAD_RE_B
B
FLASH read enable (low active)
PAD31
PAD_WE_B
B
FLASH write enable (low active)
PAD32
PAD_BUSY_B
B
FLASH ready when high, busy when low.
PAD29
PAD_WP_B
B
FLASH write protect (low active)
PAD43
PAD_DA0
B
FLASH bus bit0
PAD42
PAD_DA1
B
FLASH bus bit1
PAD41
PAD_DA2
B
FLASH bus bit2
PAD40
PAD_DA3
B
FLASH bus bit3
PAD38
PAD_DA4
B
FLASH bus bit4
PAD35
PAD_DA5
B
FLASH bus bit5
PAD34
PAD_DA6
B
FLASH bus bit6
PAD33
PAD_DA7
B
FLASH bus bit7



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