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| C8051F340/1/2/3/4/5/6/7 | |||||
C2D |
| Debug / Programming |
| Port I/O Configuration |
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C2CK/RST |
| Hardware |
| Digital Peripherals |
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| P0.0 | |||
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| P0.1 | ||||
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| UART0 |
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| Port 0 | P0.2 |
| Reset |
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| P0.3 | ||
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| Drivers | P0.4 | ||||
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| UART1 |
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| P0.5 | ||
| Controller Core |
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| P0.6/XTAL1 | |||
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| P0.7/XTAL2 | |||
| Reset |
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| Timers 0, 1, |
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| P1.0 | |
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| 64/32k Byte ISP FLASH |
| 2, 3 |
| Priority |
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| P1.1 | |
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| Port 1 | P1.2 | ||||
| Supply | Program Memory |
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| Crossbar | P1.3 | ||||
| Monitor |
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| Decoder | Drivers | P1.4/CNVSTR | |
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| PCA/WDT | P1.5/VREF | |||||
VDD |
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| P1.6 | ||
| 256 Byte RAM |
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Power |
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| P1.7 | |||
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| SMBus |
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| P2.0 | |||
| Net |
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| P2.1 | ||
| Voltage |
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| SPI |
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| Port 2 | P2.2 |
VREG | 4/2k Byte XRAM |
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| P2.3 | ||||
| Regulator |
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| Drivers | P2.4 | ||
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| Crossbar Control |
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| P2.5 | ||
GND |
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| P2.6 | |||
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| SFR |
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| P2.7 | |
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| P3.0 | |
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| Bus | External Memory |
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| System Clock Setup |
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| P3.1 | |||||
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| Port 3 | P3.2 | ||||||
| XTAL1 | External |
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| Interface |
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| P3.3 | ||
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| P1 | Drivers | P3.4 | ||
| XTAL2 | Oscillator | Clock |
| Control |
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| P3.5 | ||
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| P3.6 | |||||
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| Internal | Multiplier |
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| P2 / P3 |
| P3.7 | |
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| Address |
| P4.0 | |||||
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| Oscillator |
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| P4 |
| P4.1 |
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| Data |
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| Port 4 | P4.2 |
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| Clock | Low Freq. |
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| P4.3 | ||
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| Drivers | P4.4 | ||
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| Recovery | Oscillator |
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| P4.5 |
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| Analog Peripherals |
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| P4.6 | ||||
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| P4.7 | |||
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| VREF |
| CP0 | + |
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| USB Peripheral |
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| CP1 | - |
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| VDD | VREF | + |
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D+ |
| Full / Low | Controller |
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| 2 Comparators |
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D- |
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| A | VDD | AIN0 - AIN19 |
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| Speed |
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| Transceiver | 1k Byte |
| 200ksps | M | Temp |
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VBUS |
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| U |
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| RAM |
| ADC |
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| X | Sensor |
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Figure 1.1. C8051F340/1/4/5 Block Diagram
Rev. 0.5 | 19 |