![](http://datasheet.mmic.net.cn/370000/GL646_datasheet_16691643/GL646_9.png)
Revision 1.3
Mar.22 2001
-8-
GL646USB
119
120 DVDD
121 MTR_SEL
122 MPU_SEL
123 GPIO1
124 GPIO2
125 GPIO3
126 GPIO4
127 TSTSEL0
128 TSTSEL1
I
SDO
I
CKSEL
P DVDD
I
MTR_SEL
I
MPU_SEL
I/O GPIO1
I/O GPIO2
I/O GPIO3
I/O GPIO4
I
TSTSEL0
I
TSTSEL1
I
I
I
SDO
I
TSTPA7
P DVDD
I
MTR_SEL
I
MPUS_EL
I/O GPIO1
I/O GPIO2
I
I
bd4rtd
P DVDD
I
MTR_SEL
I
MPU_SEL
I/O GPIO1
I/O GPIO2
I/O GPIO3
I/O GPIO4
I
TSTSEL0
I
TSTSEL1
P DVDD
I
MTR_SEL
I
MPU_SEL
I/O GPIO1
I/O GPIO2
I/O GPIO3
I/O GPIO4
I
TSTSEL0
I
TSTSEL1
P DVDD
I
MTRS_EL
I
MPUS_EL
I/O GPIO1
I/O GPIO2
I/O GPIO3
I/O GPIO4
I
TSTSEL0
I
TSTSEL1
P DVDD
I
MTR_SEL
I
MPUS_EL
I/O GPIO1
I/O GPIO2
I/O
WMSEL/GPIO3
I/O GPIO3
I/O
RLCSEL/GPIO4
I/O GPIO4
I
TSTSEL0
I
TSTSEL1
P DVDD
I
MTR_SEL
I
MPUS_EL
I/O GPIO1
I/O GPIO2
I/O GPIO3
I/O GPIO4
I
TSTSEL0
I
TSTSEL1
P
I
I
I/O bd4rt
I/O bd4rt
I/O bd4rt
I/O bd4rt
I
bd4rtd
I
bd4rtd
bd4rtd
bd4rtd
I
I
TSTSEL0
TSTSEL1
NOTE
:
In TCD2950D CCD:
Pin No : Pin Name
49
CCD_CK1X Clock 1
NORMAL FAST
Clock
3
Clock
2
Clock
1
50
CCD_CK2X Clock 2
56
RGB_SEL0 Clock 2
In Mode 6 (SC TEST) :
Pin No : MPU_SEL = 0
19
GPIO5
20
GPIO6
21
GPIO7
22
GPIO8
23
GPIO9
24
GPIO10
25
GPIO11
26
GPIO12
125
GPIO3
126
GPIO4
MPU_SEL = 1
DMAD0
DMAD1
DMAD2
DMAD3
DMAD4
DMAD5
DMAD6
DMAD7
(WMSEL)
(RLCSEL)
In Mod 1,2,5,9
If Input clock = 12MHZ
If CKSEL = 0 => Scanner controller run 24MHZ
If CKSEL = 1 => Scanner controller run 32MHZ
In Mode 3:
If MPUCKOE = 1, MPUCLK = (Input clock frequency)/2
If CKSEL = 1 => Scanner controller run (Input clock frequency) /2
If CKSEL = 0 => Scanner controller run (Input clock frequency)
If MPUCKOE = 0, MPUCLK = 0
In Mode 4:
Scanner controller run (Input clock frequency)
5.2
Pin Descriptions :
MPU or DMA/EPP Interface
HSLCTIN(MPU_ALE )
I
EPP nAStrb or MPU ALE
HI_INIT(MPU_CS)
I
EPP nINIT or MPU Chip select
HAFXTIN(MPU_RD)
I
EPP nDStrb or MPU Read
HSTBIN(MPU_WR)
I
EPP nWrite or MPU Write