isp_c_v5
2
1 2 3 4 A B C D 4 3 2 1 D C B A Title Number Revision Size Orcad A Date: 27-Sep-2001 Sheet of File: C:\ISP\isp_cable\rev5\isp_r5.ddb Drawn By: R16 100 1 2 3 4 5 6 7 8 9 10 JP1 HEADER 5X2 R22 4.7k R21 4.7k R26 4.7k 1A1 2 1Y1 18 1A2 4 1Y2 16 1A3 6 1Y3 14 1A4 8 1Y4 12 2A1 11 2Y1 9 2A2 13 2Y2 7 2A3 15 2Y3 5 2A4 17 2Y4 3 1G 1 VCC 20 2G 19 GND 10 U1 74VHC244 R17 100 R1 330ohm R18 100 R19 100 R23 4.7k R20 100 D1 1N4148 R24 4.7k C1 0.1uF L1 LED R25 4.7k INI TCK AF TMS TDI INIT SEL_IN AUTO STROBE nACK BUSY TDO TDO INI AF TCK TMS TDI D7 D0 GND GND GND VCC VCC GND VCC 20-SOIC Buffer/Line Driver 10 Pin Header to ISP Board
-
Upload
francis-taisant -
Category
Documents
-
view
3 -
download
0
description
In Serial Programming schematic circuit for some µcontrollers with parallel port
Transcript of isp_c_v5
-
1 2 3 4
A
B
C
D
4321
D
C
B
A Title
Number RevisionSize
Orcad A
Date: 27-Sep-2001 Sheet of File: C:\ISP\isp_cable\rev5\isp_r5.ddb Drawn By:
R16 100
1 23 45 67 89 10
JP1
HEADER 5X2
R224.7k
R214.7k
R264.7k
1A12
1Y118
1A24
1Y216
1A36
1Y314
1A48
1Y412
2A111
2Y19
2A213
2Y27
2A315
2Y35
2A417
2Y43
1G1
VCC20
2G19
GND10
U1
74VHC244
R17 100
R1330ohm
R18 100
R19 100
R234.7k
R20 100
D1
1N4148R244.7k
C10.1uF
L1
LED
R254.7k
INI
TCK
AF
TMS
TDI
INITSEL_IN
AUTOSTROBE
nACK
BUSY
TDO
TDOINIAF
TCK
TMS
TDI
D7
D0
GND
GND
GND
VCC
VCC
GND
VCC
20-SOIC
Buffer/Line Driver
10 Pin Header to ISP Board
-
1 2 3 4
A
B
C
D
4321
D
C
B
A Title
Number RevisionSize
Orcad A
Date: 27-Sep-2001 Sheet of File: C:\ISP\isp_cable\rev5\isp_r5.ddb Drawn By:
R15 30K
R11 4.7K
R3 100
R13 4.7K
R14 3.3K
R10 4.7K
D4 1N4148
R4 100
D3 1N4148
D2 1N4148
R2 100
R7 100
R6 100
13251224112310229218207196185174163152141
P1
DB25
- +
567
84
U2BLM393
R8 100
R5 100
R9 100- +
321
84
U2ALM393
R12 10K
STROBE
AUTO
INIT
SEL_IN
ERROR
D0
ERROR
D7
BUSY
nACK
GND
VCC
GND
VCC
GND
VCC
VCC
Parallel Port Section
1.36V at VCC = 3.32.Vref1.5V - 1.6V
3V
Voltage Detection
8-SOP 8-SOP
