PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 54
PIC18F4431-I/P
Manufacturer Part Number
PIC18F4431-I/P
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4431-IP.pdf
(396 pages)
Specifications of PIC18F4431-I/P
A/d Inputs
9-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
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
Electrostatic Device
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PIC18F2331/2431/4331/4431
TABLE 4-3:
DS39616B-page 52
PTCON0
PTCON1
PTMRL
PTMRH
PTPERL
PTPERH
PDC0L
PDC0H
PDC1L
PDC1H
PDC2L
PDC2H
PDC3L
PDC3H
SEVTCMPL
SEVTCMPH
PWMCON0
PWMCON1
DTCON
FLTCONFIG 2331 2431 4331 4431
OVDCOND
OVDCONS
CAP1BUFH/
VELRH
CAP1BUFL/
VELRL
CAP2BUFH/
POSCNTH
CAP2BUFL/
POSCNTL
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition.
Note 1:
Register
2:
3:
4:
5:
6:
Shaded cells indicate conditions do not apply for the designated device.
One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up).
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).
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.
See Table 4-2 for Reset value for specific condition.
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’.
Bit 3 of PORTE and LATE are enabled if MCLR functionality is disabled. When not enabled as the PORTE
pin, they are disabled and read as ‘0’. The 28-pin devices have only RE3 on PORTE when MCLR is
disabled.
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Applicable Devices
INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
Brown-out Reset
Power-on Reset,
0000 0000
00-- ----
0000 0000
---- 0000
1111 1111
---- 1111
--00 0000
0000 0000
0000 0000
--00 0000
0000 0000
--00 0000
0000 0000
--00 0000
0000 0000
---- 0000
-101 0000
0000 0-00
0000 0000
-000 0000
1111 1111
0000 0000
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
Preliminary
RESET Instruction
MCLR Resets
Stack Resets
uuuu uuuu
00-- ----
0000 0000
---- 0000
1111 1111
---- 1111
--00 0000
0000 0000
0000 0000
--00 0000
0000 0000
--00 0000
0000 0000
--00 0000
0000 0000
---- 0000
-101 0000
0000 0-00
0000 0000
-000 0000
1111 1111
0000 0000
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
WDT Reset
2003 Microchip Technology Inc.
Wake-up via WDT
uuuu uuuu
uu-- ----
uuuu uuuu
---- uuuu
uuuu uuuu
---- uuuu
--uu uuuu
uuuu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
--uu uuuu
uuuu uuuu
---- uuuu
-uuu uuuu
uuuu u-uu
uuuu uuuu
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
or Interrupt
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