GL422 Genesys Logic, GL422 Datasheet - Page 22

• Manufacturer Part Number: GL422
• Description: USB 2.0 +sd/mmc-controller Combo Solution
• Manufacturer: Genesys Logic

QFN56
Pin#
4.6.3 Card Interface
©2000-2006 Genesys Logic Inc. - All rights reserved.
12
14
16
11
8
9
VFBGA
Pin#
54
H5
H3
F6
J5
J4
J6
Pin Name
HDATA0
HDATA1
UCMD
HCMD
UCLK
HCLK
GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution
Pad#
Table 4.3 – Card Interface
26
27
19
20
21
29
30
38
PAD_UDATA0
PAD_HDATA0
PAD_UDATA1
PAD_HCMDx
PAD_HCMDy
PAD_UCMD
Pad Name
PAD_UCLK
PAD_HCLK
Type
B
B
B
B
B
B
B
B
Controller clock signal from USB
reader to card (rising edge)
Controller clock signal from HOST
Only to card (rising edge)
SD/MMC mode: HCMD from/to
USB reader
SPI mode: Data-in signal from USB
reader(Double Bonding)
SD/MMC mode: HCMD from/to
HOST
SPI mode: Data-in signal from
HOST
(Double Bonding)
SD/MMC mode: HCMD from/to
HOST
SPI mode: Data-in signal from
HOST
SD/MMC mode: HDATA0 from/to
USB reader
SPI mode: Data-out signal to USB
reader
(Double Bonding)
SD/MMC mode: HDATA0 from/to
HOST.
SPI mode: Data-out signal to HOST
(Double Bonding)
SD/MMC mode: HDATA1 from/to
USB reader.
SPI mode: not connected
(Double Bonding)
Description
Page 22