Datasheet

PIC16F87/88
DS30487D-page 136  2002-2013 Microchip Technology Inc.
TXREG 0000 0000 0000 0000 uuuu uuuu
RCREG 0000 0000 0000 0000 uuuu uuuu
ADRESH xxxx xxxx uuuu uuuu uuuu uuuu
ADCON0 0000 00-0 0000 00-0 uuuu uu-u
OPTION_REG 1111 1111 1111 1111 uuuu uuuu
TRISA 1111 1111 1111 1111 uuuu uuuu
TRISB 1111 1111 1111 1111 uuuu uuuu
PIE1 -000 0000 -000 0000 -uuu uuuu
PIE2 00-0 ---- 00-0 ---- uu-u ----
PCON ---- --0q ---- --uu ---- --uu
OSCCON -000 0000 -000 0000 -uuu uuuu
OSCTUNE --00 0000 --00 0000 --uu uuuu
PR2 1111 1111 1111 1111 1111 1111
SSPADD 0000 0000 0000 0000 uuuu uuuu
SSPSTAT 0000 0000 0000 0000 uuuu uuuu
TXSTA 0000 -010 0000 -010 uuuu -u1u
SPBRG 0000 0000 0000 0000 uuuu uuuu
ANSEL -111 1111 -111 1111 -111 1111
CMCON 0000 0111 0000 0111 uuuu u111
CVRCON 000- 0000 000- 0000 uuu- uuuu
WDTCON ---0 1000 ---0 1000 ---u uuuu
ADRESL xxxx xxxx uuuu uuuu uuuu uuuu
ADCON1 0000 ---- 0000 ---- uuuu ----
EEDATA xxxx xxxx uuuu uuuu uuuu uuuu
EEADR xxxx xxxx uuuu uuuu uuuu uuuu
EEDATH --xx xxxx --uu uuuu --uu uuuu
EEADRH ---- -xxx ---- -uuu ---- -uuu
EECON1 x--x x000 u--x u000 u--u uuuu
EECON2 ---- ---- ---- ---- ---- ----
TABLE 15-4: INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
Register
Power-on Reset,
Brown-out Reset
MCLR
Reset,
WDT Reset
Wake-up via WDT or
Interrupt
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition
Note 1: One or more bits in INTCON, PIR1 and PR2 will be affected (to cause wake-up).
2: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector
(0004h).
3: See Table 15-3 for Reset value for specific condition.