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UFORCE

更新时间： 2022-01-18 20:29:00
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
15页 215K
描述
uforCE - ElanSC400 and Windows CE uforCE Demonstration System Schematics

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UFORCE 数据手册

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Table of Contents  
Page 1:uforCE.SCH  
Page 2:E4.SCH  
Page 3:CLK.SCH  
Page 4:MEMORY.SCH  
Page 5:PCMCIA.SCH  
Page 6:MISC.SCH  
LCD.SCH  
Page 7:  
Page 8:AUDIC.SCH  
Page 9:AUDPORT.SCH  
A
B
C
D
E
A
B
C
D
E
Page 10:  
VCC3.SCH  
Page 11:VCC5.SCH  
Page 12:P12V.SCH  
Page 13:LCDVEE.SCH  
Page 14:BATTCHRG.SCH  
Page 15:VCCSWTCH.SCH  
u forCE  
Elan SC4 0 0 - Win dows CE  
Dem on st rat ion Board Sch em at ic  
Rev 2.0:  
Sh. 2  
Sh. 3  
Sh. 5  
Sh. 6  
Removed BATTEMP signal from GPIO-CS3 pin  
JP1 changed to 2mm spacing  
JP2 added for PCMCIA booting  
TC7SH32FU added to level shift SIRIN signal  
U38D added to unused gates  
Added GND to U14-9 and U14-10  
Added circuit to slow turn-on of LCD  
TC7SH32FU added to level shift PEN_OFF signal  
R56 changed to 3.3K pull-up  
R144 added to pull-up IOCHRDY signal  
Filter circuit added to SPKR signal for noise supression  
LDO regulator circuit changed to 2.85V nominal  
Changed control of U21 PWM* mode  
U21-9 connected to Vsource  
U21 output capacitor increased; added bypass capacitor  
Changed control of U23 PWM* mode  
Sh. 7  
Sh. 8  
Sh. 10  
Sh. 11  
Rev 1.0:  
Original design  
Rev 1.1:  
Sh. 3  
Removed "no populate" designator from JP1.  
Added TP to ROMCS0#.  
Removed "no populate" designator from U6  
Added RSTA A2 errata work-around.  
Swapped nets TABXNEG & TABYPOS at J1.  
Swapped nets LCDD0-LCDD3 at J2.  
Changed P/N for J1 & J2.  
Changed value of R43 (DISP_ON) & connected to LVEE  
Added 2M resistor from U21 pin 19 to VSOURCE.  
Added 2M resistor from U23 pin 19 to VSOURCE.  
Corrected BATTEMP circuit.  
Changed values of R118-R120 for FSTCHRG#.  
Changed comparator bias voltage for VCC switch to Vbias  
U23-9 connected to Vsource  
Added bypass capacitor to U23  
Changed D5 to no-populate  
Sh. 4  
Sh. 5  
Sh. 7  
Sh. 12  
Sh. 13  
Sh. 14  
Changed enable for U24 to PCMVPP2A signal  
Changed U24-8 to no-connect to cut output current  
Slow-start circuit added to slow ramp-up of P12VOLT  
Increased L8; decreased C146 on U25 output  
Slow-start circuit added to slow ramp-up of LCDVEE  
Changed U25-8 to no-connect to cut output current  
U27 changed to MIC4576 for increased output currrent  
Charger circuit changed to use MC33340 controller chip  
for Fast/Trickle charge control and battery overtemperature  
shutoff  
Sh. 10  
Sh. 11  
Sh. 14  
Sh. 15  
Added LED to indicate charge mode  
Charge currents changed to 1.25A/25mA nominal  
Changed software controls for charger circuitry to  
FASTCHG# and CHARGE# signals  
Changed Vbatt/12VDC switch circuit to use SI4435DY  
and power U37 from Vsource  
Added current limit circuit to 12VDC  
Modified Vbatt/12VDC switch circuit to work with MC33340  
Adjusted BLx# sensors for 4.6V, 4.8V, 5.0V nominal  
Removed BATTEMP circuit  
R124 reduced to 1M for increased hysteresis  
R128, R129, R137 increased to 5.1M for reduced hysteresis  
LPD - Logic Produ ct s Division  
Sh. 15  
(C) Advanced Micro Devices, Inc.  
(800) 222-9323  
5204 E. Ben White Blvd.  
Austin, TX 78741  
AMD Proprietary/All Rights Reserved  
Title  
Size  
Date:  
uforCE Demo Board  
Document Number  
uforCE.SCH  
Rev  
2.0  
AMD  
Tuesday, October 14, 1997  
1
15  
Sheet  
5
of  
1
2
3
4
1234567...15

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