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PIC18F2221 Datasheet(PDF) 58 Page - Microchip Technology |
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PIC18F2221 Datasheet(HTML) 58 Page - Microchip Technology |
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58 / 402 page  PIC18F2221/2321/4221/4321 FAMILY DS39689F-page 58 © 2009 Microchip Technology Inc. IPR2 2221 2321 4221 4321 11-1 1111 11-1 1111 uu-u uuuu PIR2 2221 2321 4221 4321 00-0 0000 00-0 0000 uu-u uuuu(1) PIE2 2221 2321 4221 4321 00-0 0000 00-0 0000 uu-u uuuu IPR1 2221 2321 4221 4321 1111 1111 1111 1111 uuuu uuuu 2221 2321 4221 4321 -111 1111 -111 1111 -uuu uuuu PIR1 2221 2321 4221 4321 0000 0000 0000 0000 uuuu uuuu(1) 2221 2321 4221 4321 -000 0000 -000 0000 -uuu uuuu(1) PIE1 2221 2321 4221 4321 0000 0000 0000 0000 uuuu uuuu 2221 2321 4221 4321 -000 0000 -000 0000 -uuu uuuu OSCTUNE 2221 2321 4221 4321 00-0 0000 00-0 0000 uu-u uuuu TRISE 2221 2321 4221 4321 0000 -111 0000 -111 uuuu -uuu TRISD 2221 2321 4221 4321 1111 1111 1111 1111 uuuu uuuu TRISC 2221 2321 4221 4321 1111 1111 1111 1111 uuuu uuuu TRISB 2221 2321 4221 4321 1111 1111 1111 1111 uuuu uuuu TRISA(5) 2221 2321 4221 4321 1111 1111(5) 1111 1111(5) uuuu uuuu(5) LATE 2221 2321 4221 4321 ---- -xxx ---- -uuu ---- -uuu LATD 2221 2321 4221 4321 xxxx xxxx uuuu uuuu uuuu uuuu LATC 2221 2321 4221 4321 xxxx xxxx uuuu uuuu uuuu uuuu LATB 2221 2321 4221 4321 xxxx xxxx uuuu uuuu uuuu uuuu LATA(5) 2221 2321 4221 4321 xxxx xxxx(5) uuuu uuuu(5) uuuu uuuu(5) PORTE 2221 2321 4221 4321 ---- xxxx ---- uuuu ---- uuuu 2221 2321 4221 4321 ---- x--- ---- u--- ---- u--- PORTD 2221 2321 4221 4321 xxxx xxxx uuuu uuuu uuuu uuuu PORTC 2221 2321 4221 4321 xxxx xxxx uuuu uuuu uuuu uuuu PORTB 2221 2321 4221 4321 xxxx xxxx uuuu uuuu uuuu uuuu PORTA(5) 2221 2321 4221 4321 xx0x 0000(5) uu0u 0000(5) uuuu uuuu(5) TABLE 5-4: INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED) Register Applicable Devices Power-on Reset, Brown-out Reset MCLR Resets, WDT Reset, RESET Instruction, Stack Resets Wake-up via WDT or Interrupt Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition. Shaded cells indicate conditions do not apply for the designated device. Note 1: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up). 2: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the PC is loaded with the interrupt vector (0008h or 0018h). 3: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the TOSU, TOSH and TOSL are updated with the current value of the PC. The STKPTR is modified to point to the next location in the hardware stack. 4: See Table 5-3 for Reset value for specific condition. 5: Bits 6 and 7 of PORTA, LATA and TRISA are enabled, depending on the oscillator mode selected. When not enabled as PORTA pins, they are disabled and read ‘0’. |
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