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PIC18F4550EMLSQTP Datasheet(PDF) 57 Page - Microchip Technology |
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PIC18F4550EMLSQTP Datasheet(HTML) 57 Page - Microchip Technology |
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57 / 430 page  © 2007 Microchip Technology Inc. Preliminary DS39632D-page 55 PIC18F2455/2550/4455/4550 UEP15 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP14 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP13 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP12 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP11 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP10 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP9 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP8 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP7 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP6 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP5 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP4 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP3 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP2 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP1 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UEP0 2455 2550 4455 4550 ---0 0000 ---0 0000 ---u uuuu UCFG 2455 2550 4455 4550 00-0 0000 00-0 0000 uu-u uuuu UADDR 2455 2550 4455 4550 -000 0000 -000 0000 -uuu uuuu UCON 2455 2550 4455 4550 -0x0 000- -0x0 000- -uuu uuu- USTAT 2455 2550 4455 4550 -xxx xxx- -xxx xxx- -uuu uuu- UEIE 2455 2550 4455 4550 0--0 0000 0--0 0000 u--u uuuu UEIR 2455 2550 4455 4550 0--0 0000 0--0 0000 u--u uuuu UIE 2455 2550 4455 4550 -000 0000 -000 0000 -uuu uuuu UIR 2455 2550 4455 4550 -000 0000 -000 0000 -uuu uuuu UFRMH 2455 2550 4455 4550 ---- -xxx ---- -xxx ---- -uuu UFRML 2455 2550 4455 4550 xxxx xxxx xxxx xxxx uuuu uuuu SPPCON 2455 2550 4455 4550 ---- --00 ---- --00 ---- --uu SPPEPS 2455 2550 4455 4550 00-0 0000 00-0 0000 uu-u uuuu SPPCFG 2455 2550 4455 4550 0000 0000 0000 0000 uuuu uuuu SPPDATA 2455 2550 4455 4550 0000 0000 0000 0000 uuuu uuuu TABLE 4-4: 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: 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. 2: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up). 3: 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). 4: See Table 4-3 for Reset value for specific condition. 5: PORTA<6>, LATA<6> and TRISA<6> are enabled depending on the oscillator mode selected. When not enabled as PORTA pins, they are disabled and read ‘0’. |
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