GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution
4.6.8 Use Card Interface as USB Test Interface
This interface is shared with card interface. This is only for testing. In test mode, the card interface will be
also used for USB test patterns:
Table 4.8 – Use Card Interface as USB Test Interface
SCAN
MOD
SCAN_EN
DO5
UTM
UTM
CPU
Pin Name Pad#
Pad Name
Type
TEST SCANM TEST
UCLK
26
19
29
38
13
15
17
22
34
36
PAD_UCLK
PAD_UCMD
B
B
B
B
B
B
B
B
B
B
UCMD
SPEED
D0
DO5
DI0
DI1
DI2
DI3
DI4
DI5
DI6
DI7
HDATA0
HDATA1
HDATA2
HDATA3
HDATA4
HDATA5
HDATA6
HDATA7
PAD_UDATA0
PAD_UDATA1
PAD_UDATA2
PAD_UDATA3
PAD_UDATA4
PAD_UDATA5
PAD_UDATA6
PAD_UDATA7
DI0
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
DI1
D1
DI2
D2
DI3
D3
DI4
D4
DI5
D5
DI6
D6
DI7
D7
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