![](http://datasheet.mmic.net.cn/370000/GL646_datasheet_16691643/GL646_7.png)
Revision 1.3
Mar.22 2001
-6-
GL646USB
5. HARDWARE DESCRIPTION
5.1
Pins Assignment & Mode Definition:
Mode 1
SC+
AFE+
USB1.1
Mode 2
SC+
USB1.1
Mode 3
SC+
AFE
(For
1394)
TSTMOD=0
TSTSEL0=0
TSTSEL1=1
MPUSEL=1
HSLCTIN
HI_INIT
HAFXTIN
HSTBIN
H_BUSY
H_ACK
H_PE
P DGND
P
DVDD
I
H_ERR
I
HD0
I
HD1
I
HD2
I
HD3
I
HD4
I
HD5
I
HD6
I
HD7
I/O GPIO5
I/O GPIO6
I/O GPIO7
P DGND
P
DVDD
P DGND
I/O GPIO11
I/O GPIO12
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
HOME
I
TSTMOD
O MT_PH0
O MT_PH1
O MT_PH2
O MT_PH3
O MT_PH4
O MT_PH5
P
DVDD
O XPA_SW
O LAMP_SW
O LED_B
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
Mode 4
SC+
AFE
(For
USB2.0)
TSTMOD=0
TSTSEL0=0
TSTSEL1=1
MPUSEL=0
HSLCTIN
HI_INIT
HAFXTIN
HSTBIN
O H_BUSY
O H_ACK
O H_PE
P DGND
P DVDD
I
H_ERR
I/O HD0
I/O HD1
I/O HD2
I/O HD3
I/O HD4
I/O HD5
I/O HD6
I/O HD7
I/O GPIO5
I/O GPIO6
I/O GPIO7
P DGND
P DVDD
P DGND
I/O GPIO11
I/O GPIO12
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
HOME
I
TSTMOD
O MT_PH0
O MT_PH1
O MT_PH2
O MT_PH3
O MT_PH4
O MT_PH5
P DVDD
O XPA_SW
O LAMP_SW
O LED_B
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
Mode 5
SC+
AFE+
USB1.1
(TEST PLL
& DEBUG)
TSTMOD=0
TSTSEL0=1
TSTSEL1=1
MPUSEL=0
ASTRBO_
MIARSTB
DSTRBO_
WRO_
O WAITI_
O PLLOUT
O OSCENB
P DGND
P
DVDD
O CKSEL
I/O IODAT0
I/O IODAT1
I/O IODAT2
I/O IODI0
I/O IODI1
I/O IODI2
I/O PWRDN
I/O WMSEL
I/O VPI
I/O VMI
I/O RXD
P DGND
P
DVDD
P DGND
I/O TSE0
I/O RSE0
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
HOME
I
TSTMOD
O MT_PH0
O MT_PH1
O MT_PH2
O MT_PH3
O MT_PH4
O MT_PH5
P
DVDD
O XPA_SW
O LAMP_SW
O LED_B
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
Mode 6
TEST
SC
Mode 7
TEST
USB1.1
Mode 8
TEST
AFE
ASIC
I/O
Cell
No.
TSTMOD=0
TSTSEL0=0
TSTSEL1=0
MPUSEL=0
1
2
3
4
5
6
7
8 DGND
9 DVDD
10 CKSEL
11
12
13
14
15
16
17
18
19 GPIO5
20 GPIO6
21 GPIO7
22 DGND
23 DVDD
24 DGND
25 GPIO11
26 GPIO12
27 DVDD
28 IX1
29 IOX2
30 DGND
31 EXTRST_
32 HOME
33 TSTMOD
34 MT_PH0
35 MT_PH1
36 MT_PH2
37 MT_PH3
38 MT_PH4
39 MT_PH5
40 DVDD
41 XPA_SW
42 LAMP_SW
43 LED_B
44 AVDD
45 VMO
46 VPO
47 VPP
48 AGND
49 CCD_CK1X O CCD_CK1X O CCD_CK1X O CCD_CK1X O CCD_CK1X O CCD_CK1X O
50 CCD_CK2X O CCD_CK2X O CCD_CK2X O CCD_CK2X O CCD_CK2X O CCD_CK2X O
51 CCD_CPX
O CCD_CPX
O CCD_CPX
O CCD_CPX
52 CCD_RSX
O CCD_RSX
O CCD_RSX
O CCD_RSX
I
/
O
TSTMOD=0
TSTSEL0=1
TSTSEL1=0
MPUSEL=0
P DGND
P DVDD
I
CKSEL
I
I
I
I
I
I
I
I
I/O GPIO5
I/O GPIO6
I/O GPIO7
P DGND
P DVDD
P DGND
I/O GPIO11
I/O GPIO12
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
HOME
I
TSTMOD
O MT_PH0
O MT_PH1
O MT_PH2
O MT_PH3
O MT_PH4
O MT_PH5
P DVDD
O XPA_SW
O LAMP_SW
O LED_B
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
I
/
O
I
/
O
I
/
O
I
/
O
TSTMOD=1
TSTSEL0=0
TSTSEL1=0
I
/
O
TSTMOD=1
TSTSEL0=1
TSTSEL1=0
I
/
O
TSTMOD=1
TSTSEL0=0
TSTSEL1=1
I
/
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O HSLCTIN
O HI_INIT
O HAFXTIN
O HSTBIN
O H_BUSY
O H_ACK
O H_PE
P DGND
P
DVDD
I
H_ERR
O HD0
O HD1
O HD2
O HD3
O HD4
O HD5
O HD6
O HD7
O
O
O
P DGND
P
DVDD
P DGND
O
O
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
HOME
I
TSTMOD
O MT_PH0
O MT_PH1
O MT_PH2
O MT_PH3
O MT_PH4
O MT_PH5
P
DVDD
O XPA_SW
O LAMP_SW
O LED_B
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
I
I
I
I
O WAITI_
O
O OSCENB
P DGND
P
DVDD
I/O CKSEL
I/O EPPD0
I/O EPPD1
I/O EPPD2
I/O EPPD3
I/O EPPD4
I/O EPPD5
I/O EPPD6
I/O EPPD7
ASTRBO_
DSTRBO_
WRO_
O
I
O
O
I
I
O
P DGND
P DVDD
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P DGND
P DVDD
P DGND
I/O
I/O
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
I
TSTMOD
O
O
O
O
O
O
P DVDD
O
O
O EB05O
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
O
O
O
O
I
I
I
I
I
I
I
bd4rtu
bd4rtu
bd4rtu
bd4rtu
bd4rtu
bd4rtu
bd4rtu
P
P
I
I
I
I
I
I
I
I
I
I/O bd4rt
I/O bd4rt
I/O bd4rt
P
P
P
I/O bd4rt
I/O bd4rt
P
I
Oscen2
I/O Oscen2
P
I
bd4rtu
I
bd4rt
I
bd4rtd
O bd4rt
O bd4rt
O bd4rt
O bd4rt
O bd4rt
O bd4rt
P
O bd4rt
O bd4rt
O bd4rt
P
I/O
I/O
O
P
O bd4rt
O bd4rt
O bd4rt
O bd4rt
bd4rtu
bd4rt
bd4rt
bd4rt
bd4rt
bd4rt
bd4rt
bd4rt
bd4rt
DMAD0/GPIO5
I/O GPIO5
DMAD1/GPIO6
I/O GPIO6
DMAD2/GPIO7
I/O GPIO7
P DGND
P
DVDD
P DGND
DMAD6/GPIO11
I/O
DMAD7/GPIO12
I/O
P DVDD
I
IX1
I/O IOX2
P DGND
I
EXTRST_
I
INTI_
I
TSTMOD
O
O
O
O
O
O
P
DVDD
O
O
O
P AVDD
I/O VMO
I/O VPO
O VPP
P AGND
O CCD_CPX
O CCD_RSX
O CCD_CPX
O CCD_RSX
O
O