參數(shù)資料
型號: GL423
廠商: Genesys Logic, Inc.
英文描述: USB 2.0 +SD/MMC-controller Combo Solution
中文描述: 個USB 2.0 SD / MMC卡控制器的組合方案
文件頁數(shù): 22/32頁
文件大小: 285K
代理商: GL423
GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution
2000-2006 Genesys Logic Inc. - All rights reserved.
Page 22
4.6.3 Card Interface
Table 4.3
Card Interface
QFN56
Pin#
VFBGA
54
Pin#
Pin Name
Pad#
Pad Name
Type
Description
11
H5
UCLK
26
PAD_UCLK
B
Controller clock signal from USB
reader to card (rising edge)
12
J5
HCLK
27
PAD_HCLK
B
Controller clock signal from HOST
Only to card (rising edge)
19
PAD_UCMD
B
SD/MMC mode: HCMD from/to
USB reader
SPI mode: Data-in signal from USB
reader(Double Bonding)
8
J4
UCMD
20
PAD_HCMDx
B
SD/MMC mode: HCMD from/to
HOST
SPI mode: Data-in signal from
HOST
(Double Bonding)
9
H3
HCMD
21
PAD_HCMDy
B
SD/MMC mode: HCMD from/to
HOST
SPI mode: Data-in signal from
HOST
29
PAD_UDATA0
B
SD/MMC mode: HDATA0 from/to
USB reader
SPI mode: Data-out signal to USB
reader
(Double Bonding)
14
J6
HDATA0
30
PAD_HDATA0
B
SD/MMC mode: HDATA0 from/to
HOST.
SPI mode: Data-out signal to HOST
(Double Bonding)
16
F6
HDATA1
38
PAD_UDATA1
B
SD/MMC mode: HDATA1 from/to
USB reader.
SPI mode: not connected
(Double Bonding)
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