Книга: Advanced PIC Microcontroller Projects in C
1.3.17 Current Sink/Source Capability
1.3.17 Current Sink/Source Capability
Current sink/source capability is important if the microcontroller is to be connected to an external device that might draw a large amount of current to operate. PIC microcontrollers can source and sink 25mA of current from each output port pin. This current is usually sufficient to drive LEDs, small lamps, buzzers, small relays, etc. The current capability can be increased by connecting external transistor switching circuits or relays to the output port pins.
Оглавление книги
Оглавление статьи/книги
- 1.3.1 Supply Voltage
- 1.3.2 The Clock
- 1.3.3 Timers
- 1.3.4 Watchdog
- 1.3.5 Reset Input
- 1.3.6 Interrupts
- 1.3.7 Brown-out Detector
- 1.3.8 Analog-to-Digital Converter
- 1.3.9 Serial Input-Output
- 1.3.10 EEPROM Data Memory
- 1.3.11 LCD Drivers
- 1.3.12 Analog Comparator
- 1.3.13 Real-time Clock
- 1.3.14 Sleep Mode
- 1.3.15 Power-on Reset
- 1.3.16 Low-Power Operation
- 1.3.17 Current Sink/Source Capability
- 1.3.18 USB Interface
- 1.3.19 Motor Control Interface
- 1.3.20 CAN Interface
- 1.3.21 Ethernet Interface
- 1.3.22 ZigBee Interface
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