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PIC18F66J11 Datasheet(PDF) 10 Page - Microchip Technology |
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PIC18F66J11 Datasheet(HTML) 10 Page - Microchip Technology |
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10 / 448 page  PIC18F87J11 FAMILY DS39778B-page 8 Preliminary © 2007 Microchip Technology Inc. 1.1.6 EASY MIGRATION Regardless of the memory size, all devices share the same rich set of peripherals, allowing for a smooth migration path as applications grow and evolve. The consistent pinout scheme used throughout the entire family also aids in migrating to the next larger device. This is true when moving between the 64-pin members, between the 80-pin members, or even jumping from 64-pin to 80-pin devices. The PIC18F87J11 Family is also pin compatible with other PIC18 families, such as the PIC18F87J10, PIC18F85J11, PIC18F8720 and PIC18F8722. This allows a new dimension to the evolution of applications, allowing developers to select different price points within Microchip’s PIC18 portfolio, while maintaining the same feature set. 1.2 Other Special Features • Communications: The PIC18F87J11 Family incorporates a range of serial and parallel com- munication peripherals. These devices all include 2 independent Enhanced USARTs and 2 Master SSP modules, capable of both SPI and I2C™ (Master and Slave) modes of operation. The devices also have a parallel port and can be configured to function as either a Parallel Master Port or as a Parallel Slave Port. • CCP Modules: All devices in the family incorporate two Capture/Compare/PWM (CCP) modules and three Enhanced CCP (ECCP) modules to maximize flexibility in control applications. Up to four different time bases may be used to perform several different operations at once. Each of the three ECCP modules offers up to four PWM outputs, allowing for a total of 12 PWMs. The ECCPs also offer many beneficial features, including polarity selection, programmable dead time, auto-shutdown and restart, and Half-Bridge and Full-Bridge Output modes. • 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, reducing 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 27.0 “Electrical Characteristics” for time-out periods. 1.3 Details on Individual Family Members Devices in the PIC18F87J11 Family are available in 64-pin and 80-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 three ways: 1. Flash program memory (three sizes, ranging from 64 Kbytes for PIC18FX6J11 devices to 128 Kbytes for PIC18FX7J11 devices). 2. I/O ports (7 bidirectional ports on 64-pin devices, 9 bidirectional ports on 80-pin devices). 3. A/D input channels (11 on 64-pin devices, 15 on 80-pin devices). All other features for devices in this family are identical. These are summarized in Table 1-1 and Table 1-2. The pinouts for all devices are listed in Table 1-3 and Table 1-4. |
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