PIC18F442-I/PT Microchip Technology Inc., PIC18F442-I/PT Datasheet - Page 32

• Manufacturer Part Number: PIC18F442-I/PT
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-TQFP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F442-I/PT

• A/d Inputs: 8-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• Programmable Memory: 16K Bytes
• Ram Size: 768 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part

PIC18FXX2
TABLE 3-3:
DS39564C-page 30
ADRESH
ADRESL
ADCON0
ADCON1
CCPR1H
CCPR1L
CCP1CON
CCPR2H
CCPR2L
CCP2CON
TMR3H
TMR3L
T3CON
SPBRG
RCREG
TXREG
TXSTA
RCSTA
EEADR
EEDATA
EECON1
EECON2
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as '0', q = value depends on condition.
Note 1: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up).
Register
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
3: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the TOSU, TOSH and TOSL are
4: See Table 3-2 for RESET value for specific condition.
5: Bit 6 of PORTA, LATA, and TRISA are enabled in ECIO and RCIO Oscillator modes only. In all other
6: Bit 6 of PORTA, LATA and TRISA are not available on all devices. When unimplemented, they are read ’0’.
Shaded cells indicate conditions do not apply for the designated device.
vector (0008h or 0018h).
updated with the current value of the PC. The STKPTR is modified to point to the next location in the
hardware stack.
Oscillator modes, they are disabled and read ’0’.
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
Applicable Devices
INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
Brown-out Reset
Power-on Reset,
xxxx xxxx
xxxx xxxx
0000 00-0
00-- 0000
xxxx xxxx
xxxx xxxx
--00 0000
xxxx xxxx
xxxx xxxx
--00 0000
xxxx xxxx
xxxx xxxx
0000 0000
0000 0000
0000 0000
0000 0000
0000 -010
0000 000x
0000 0000
0000 0000
xx-0 x000
---- ----
RESET Instruction
MCLR Resets
Stack Resets
uuuu uuuu
uuuu uuuu
0000 00-0
00-- 0000
uuuu uuuu
uuuu uuuu
--00 0000
uuuu uuuu
uuuu uuuu
--00 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000 0000
0000 0000
0000 0000
0000 -010
0000 000x
0000 0000
0000 0000
uu-0 u000
---- ----
WDT Reset
© 2006 Microchip Technology Inc.
Wake-up via WDT
or Interrupt
uuuu uuuu
uuuu uuuu
uuuu uu-u
uu-- uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu -uuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uu-0 u000
---- ----