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PDF GL842 Data sheet ( Hoja de datos )
| Número de pieza | GL842 | |
| Descripción | USB 2.0 2-in-1 Scanner Controller | |
| Fabricantes | GENESYS LOGIC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de GL842 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Genesys Logic, Inc.
GL842
USB 2.0 2-in-1
Scanner Controller
Datasheet
Revision 1.00
Nov. 14, 2003
1 page  
GL842 USB 2.0 2-in-1 Scanner Controller
LIST OF FIGURES
FIGURE 3.1 - PINOUT DIAGRAM .......................................................................................... 8
FIGURE 5.1 - USB2.0 SYSTEM BLOCK DIAGRAM............................................................. 54
FIGURE 5.2 - FUNCTION BLOCK DIAGRAM....................................................................... 54
FIGURE 8.1 - GL842 128 PIN QFP PACKAGE................................................................... 64
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LIST OF TABLES
TABLE 3.1 - PIN LIST ........................................................................................................... 9
TABLE 3.2 - PIN DESCRIPTIONS......................................................................................... 10
TABLE 4.1 - BASE ADDRESS FOR REGISTERS.................................................................... 14
TABLE 4.2 - SHADING MAPPING (CHUNKY FOR SINGLE BANK) ...................................... 52
TABLE 4.3 - SHADING MAPPING (PLANER)....................................................................... 52
TABLE 4.4 - SLOPE CURVE TABLE MAPPING ................................................................... 53
TABLE 4.5 - IMAGE BUFFER MAPPING.............................................................................. 53
TABLE 7.1 - ABSOLUTE MAXIMUM RATINGS (VOLTAGE REFERENCED TO GND) ......... 62
TABLE 7.2 - DC CHARACTERISTICS (DIGITAL PINS): 3.3 V LOGIC CORE OR PADS ...... 62
TABLE 7.3 - DC CHARACTERISTICS (DIGITAL PINS): 5.0 V PADS .................................. 63
TABLE 7.4 - DC CHARACTERISTICS (D+/D-).................................................................... 63
Genesys Logic Inc.—All rights reserved.
Page 5
5 Page 
XPA_SW
LED_B
GL842 USB 2.0 2-in-1 Scanner Controller
30
O
hbd16rsc
Transparency
array control
lamp
power
control
or
CIS
Green
LED
31 O hbd16rsc CIS Blue LED array control
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Pin Name
Pin#
OP0~7
40~47
SEN/SLOAD
SCLK
SDI
55
54
51
SDO
50
BSMP/CDSCLK1 56
VSMP/CDSCLK2 57
MCLK/ADCCLK 58
FRONT-END Interface
Type
ASIC I/O
Cell
Description
I
(pd)
hbd16dhk AFE digital data input
O
(pd)
hbd16dhk Serial interface load pulse
O hbd16rsc Serial interface clock output
O
(pd)
hbd16dhk
Serial data output
I
(pd)
hbd16dhk
Serial data input
O
hbd16rsc Wolfson type: Video sample synchronization pulse
Analog Device: CDS Reference level sampling clock
O
hbd16rsc Wolfson type: Video sample synchronization pulse
Analog Device: CDS Data level sampling clock
O
hbd16rsc Wolfson type: Master clock.
Analog Device: A/D Converter sampling clock.
Pin Name
DBUS0~15
ABUS0~9
RASX
CASX
NOEX
NWEX
RASY
CASY
NOEY
NWEY
DRAM Interface
Pin#
Type
ASIC I/O
Cell
Description
95~102,
105~112
B
(pd)
hbd16dhk DRAM data bus
81,84~89,
92~94
O
(pd)
hbd16dhk DRAM address bus
78
O
(pd)
hbd16dhk DRAM RAS signal of first memory chip
77
O
(pd)
hbd16dhk DRAM CAS signal of first memory chip
79
O
(pd)
hbd16dhk DRAM OE(output enable) signal of first memory chip
80
O
(pd)
hbd16dhk DRAM WE signal of first memory chip
72
O
(pd)
hbd16dhk DRAM RAS signal of second memory chip
71
O
(pd)
hbd16dhk DRAM CAS signal of second memory chip
73
O
(pd)
hbd16dhk DRAM OE(output enable) signal of second memory chip
76
O
(pd)
hbd16dhk DRAM WE signal of second memory chip
Genesys Logic Inc.—All rights reserved.
Page 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet GL842.PDF ] | |
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