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PIC18LF2510 Datasheet(PDF) 10 Page - Microchip Technology |
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PIC18LF2510 Datasheet(HTML) 10 Page - Microchip Technology |
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10 / 380 page  PIC18F2X1X/4X1X DS39636A-page 8 Preliminary 2004 Microchip Technology Inc. 1.2 Other Special Features • Memory Endurance: The Flash cells for program memory are rated to 100,000 erase/write cycles. Data retention without refresh is conservatively estimated to be greater than 40 years. • Extended Instruction Set: The PIC18F2X1X/ 4X1X family introduces an optional extension to the PIC18 instruction set, which adds 8 new instructions and an Indexed Addressing mode. This extension, enabled as a device configuration option, has been specifically designed to optimize re-entrant application code originally developed in high-level languages, such as C. • Enhanced CCP Module: In PWM mode, this module provides 1, 2 or 4 modulated outputs for controlling half-bridge and full-bridge drivers. Other features include Auto-Shutdown, for disabling PWM outputs on interrupt or other select conditions and Auto-Restart, to reactivate outputs once the condition has cleared. • Enhanced Addressable USART: This serial communication module is capable of standard RS-232 operation and provides support for the LIN bus protocol. Other enhancements include auto- matic baud rate detection and a 16-bit Baud Rate Generator for improved resolution. When the microcontroller is using the internal oscillator block, the USART provides stable operation for applications that talk to the outside world without using an external crystal (or its accompanying power requirement). • 10-bit A/D Converter: This module incorporates programmable acquisition time, allowing for a channel to be selected and a conversion to be initiated without waiting for a sampling period and thus, reduce code overhead. • Extended Watchdog Timer (WDT): This enhanced version incorporates a 16-bit prescaler, allowing an extended time-out range that is stable across operating voltage and temperature. See Section 25.0 “Electrical Characteristics” for time-out periods. 1.3 Details on Individual Family Members Devices in the PIC18F2X1X/4X1X family are available in 28-pin and 40/44-pin packages. Block diagrams for the two groups are shown in Figure 1-1 and Figure 1-2. The devices are differentiated from each other in five ways: 1. Flash program memory • 16 Kbytes for PIC18F2410/4410 devices • 32 Kbytes for PIC18F2510/4510 devices • 48 Kbytes for PIC18F2515/4515 devices • 64 Kbytes for PIC18F2610/4610 devices 2. A/D channels (10 for 28-pin devices, 13 for 40/44-pin devices). 3. I/O ports (3 bidirectional ports on 28-pin devices, 5 bidirectional ports on 40/44-pin devices). 4. CCP and Enhanced CCP implementation (28-pin devices have 2 standard CCP modules; 40/44-pin devices have one standard CCP module and one ECCP module). 5. Parallel Slave Port (present only on 40/44-pin devices). All other features for devices in this family are identical. These are summarized in Table 1-1. The pinouts for all devices are listed in Table 1-3 and Table 1-4. Like all Microchip PIC18 devices, members of the PIC18F2X1X/4X1X family are available as both standard and low-voltage devices. Standard devices with Flash memory, designated with an “F” in the part number (such as PIC18F2610), accommodate an operating VDD range of 4.2V to 5.5V. Low-voltage parts, designated by “LF” (such as PIC18LF2610), function over an extended VDD range of 2.0V to 5.5V. |
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