Appendix C: Board Schematics
Appendix C: Board Schematics
Figure
1
2
3
D
C1 22 pF | C2 | 22 pF |
Y1 | MHz |
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AGND
VCC
0.P1
1.P1
2.P1
3.P1
4.P1
5.P1
6.P1
7.P1
P1.[0..7] | TWI scl TWI sda CS RAM CS FLASH RST VAREF |
47 48
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52
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U1
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XTAL2 52 | ALE |
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| ALE |
| PSEN |
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| ALE |
| PSEN | P0.7/AD7 | P0.6/AD6 |
| NC | P0.5/AD5 | P0.4/AD4 | P0.3/AD3 | P0.2/AD2 | P0.1/AD1 | P4.4/MOSI | P0.0/AD0 | P2.0/A8 | |||||||||||||||||||||
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XTAL2 |
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XTAL1 |
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| PLCC52 |
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TESTI |
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VCC |
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VCC |
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VSS |
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| AT89C51CC03 |
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1/AN1/T2EX.P1 |
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RESET |
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VAG ND |
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VAREF |
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0/AN0/T2.P1 |
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2/AN2/ECI.P1 |
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3/AN3/CEX0.P1 |
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| P1.4/AN4/CEX1 |
| P1.5/AN5/CEX2 | P1.6/AN6/CEX3 | P1.7/AN7/CEX4 |
| EA | NC | P3.0/RxD | P4.3/SCK | P3.1/TxD | P3.2/INT0/ | P3.3/INT1/ | P3.4/T0 | P3.5/T1 | |||||||||||||||||||||
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ISP FLASH /BUZZER ADC Ext ADC Pot /EA | RX UART P4.3 TX UART | /INT0 /INT1 A16 | |||||||||
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| C4 22 pF |
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| C6 22 pF |
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P0.[0..7] | P4.4 | P4.2 |
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| A8 |
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2/M.P4ISO | 33 |
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1/A9.P2 |
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32 |
| A9 | |
2/A10.P2 |
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31 |
| A10 | |
3/A11.P2 |
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| A11 | |
4/A12.P2 |
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| A12 | |
5/A13.P2 |
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| A13 | |
NC |
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6/A14.P2 |
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7/A15.P2 |
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| A15 | |
1/RxDC.P4 |
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0/TxDC.P4 |
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7/RD.P3 |
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6/W.P3R |
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| AT89C51CC03_PLCC52 | A16 |
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5.P3 |
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4.P3 |
| GREEN | |
1.P3 |
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3.P3 |
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2.P3 |
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0.P3 |
| D1 LED PWR | |
R1 | 1 K |
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VCC |
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| ALE |
XTAL2_44 |
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| B | P3.[0..7] |
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A[8..16] | P4.1 P4.0 /RD /WR | ISP mode |
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| AT89C51CC03 PLCC52 |
| DECOUPLING CAPACITOR | CLOSE TO THE DEVICE |
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VCC |
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| C7 | 100 |
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| SW4 | ISP |
ALE | /PSEN |
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| SP1 | Strap Default:open" | for CC02 only |
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| P1.0 | "Solder | close |
| P0.7 | P0.6 | P0.5 | P0.4 | P0.3 | P0.2 | P0.1 | P0.0 |
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39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 |
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ALE | PSEN | P0.7/AD7 | P0.6/AD6 | P0.5/AD5 | P0.4/AD4 | P0.3/AD3 | P0.2/AD2 | P0.1/AD1 | P0.0/AD0 | P2.0/A8 |
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A
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| Rev | 1.0.0 |
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| 4 |
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| of |
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| 1 |
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| AGND |
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| Sheet |
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| Thursday, January 08, 2004 |
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C8 | 22 nF |
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| Document Number |
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| CC0x demob/MCU | <Doc> |
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| Title | Date: |
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| Size | A4 |
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P0.[0..7] | A[8..16] |
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A8 |
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| /RD /WR | P4.1 P4.0 |
| P3.[0..7] |
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| CAN CAN |
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4
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P2.0 | P2.1 | P2.2 | P2.3 | P2.4 | P2.5 | P2.6 | P2.7 |
A8 | A9 | A10 | A11 | A12 | A13 | A14 | A15 |
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VCC
AGND
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| RST | |
VCC |
| AT89C51CC01/03 PLCC44 | DECOUPLING CAPACITOR | CLOSE TO THE DEVICE |
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| AGND | ||
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| nF |
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| C3 | 100 |
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| C5 | 22 | ||
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Y2 | 40 |
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| 1 |
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0.P1 | 3 |
1.P1 | 4 |
2.P1 | 5 |
3.P1 | 6 |
| U2 |
4.P1 |
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5.P1 |
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6.P1 |
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7.P1 |
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VAREF P1.[0..7] | VCC |
TWI scl TWI sda CS RAM CS FLASH |
XTAL2 |
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| _PLCC44 |
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VSS |
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XTAL1 |
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VCC |
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| AT89C51CC01/03 |
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3/AN3/CEX0.P1 |
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RESET |
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VAG ND |
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VAREF |
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0/AN0/T2.P1 |
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1/AN1/T2EX.P1 |
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2/AN2/ECI.P1 |
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P1.4/AN4/CEX1 | P1.5/AN5/CEX2 | P1.6/AN6/CEX3 | P1.7/AN7/CEX4 |
| EA | P3.0/RxD | P3.1/TxD | P3.2/INT0/ | P3.3/INT1/ | P3.4/T0 | P3.5/T1 | ||||||||||
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7 |
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R2 10 K | ISP FLASH /BUZZER ADC Temp ADC Pot /EA RX UART TX UART /INT0 /INT1 A16 |
1/A9.P2 2/A10.P2 3/A11.P2 4/A12.P2 5/A13.P2 6/A14.P2 7/A15.P2 1/RxDC.P4 0/TxDC.P4 7/RD.P3 6/W.P3R
2
EA
JP1
RX_ TX_ |
28A9
27A10
26A11
25A12
24A13
23A14
22 | A15 | 4 |
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21 |
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20 |
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197.P3
18 | 6.P3 |
PLCC44 | A16 |
AT89C51CC03_ |
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| 5.P3 |
| 4.P3 |
| 3.P3 |
| 2.P3 |
| 1.P3 |
| 0.P3 |
| 5 |
1 |
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| D | C | B | A |
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