Datasheet
2009-2011 Microchip Technology Inc. DS39957D-page 79
PIC18F87K90 FAMILY
EECON1 PIC18F6XK90 PIC18F8XK90 xx-0 x000 uu-0 u000 uu-u uuuu
EECON2 PIC18F6XK90 PIC18F8XK90 0000 0000 0000 0000 0000 0000
LCDDATA23
PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA22 PIC18F6XK90 PIC18F8XK90 ---- ---x ---- ---u ---- ---u
LCDDATA22 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA21 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA20 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA19 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA18 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA17
PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA16 PIC18F6XK90 PIC18F8XJ90 ---- ---x ---- ---u ---- ---u
LCDDATA16
PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA15 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA14 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA13 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA12 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA11
PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA10 PIC18F6XK90
PIC18F8XK90 ---- ---x ---- ---u ---- ---u
LCDDATA10 PIC18F6XK90 PIC18F8XJ90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA9 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA8 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA7 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA6 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA5
PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA4 PIC18F6XK90 PIC18F8XJ90 ---- ---x ---- ---u ---- ---u
LCDDATA4 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA3 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA2 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA1 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
LCDDATA0 PIC18F6XK90 PIC18F8XK90 xxxx xxxx uuuu uuuu uuuu uuuu
BAUDCON1 PIC18F6XK90 PIC18F8XK90 0100 0-00 0100 0-00 uuuu u-uu
OSCCON2 PIC18F6XK90 PIC18F8XK90 -0-- 0-x0 -0-- 0-u0 -u-- u-uu
EEADRH PIC18F6XK90 PIC18F8XK90 ---- --00 ---- --00 ---- --uu
TABLE 5-2: INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
Register Applicable Devices
Power-on Reset,
Brown-out Reset
MCLR
Resets,
WDT Reset,
RESET Instruction,
Stack Resets,
CM 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: 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: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up).
4: See Table 5-1 for the Reset value for a specific condition.