PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 51
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
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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TABLE 4-3:
2003 Microchip Technology Inc.
FSR1H
FSR1L
BSR
INDF2
POSTINC2
POSTDEC2
PREINC2
PLUSW2
FSR2H
FSR2L
STATUS
TMR0H
TMR0L
T0CON
OSCCON
LVDCON
WDTCON
RCON
TMR1H
TMR1L
T1CON
TMR2
PR2
T2CON
SSPBUF
SSPADD
SSPSTAT
SSPCON
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ‘0’, q = value depends on condition.
Note 1:
Register
2:
3:
4:
5:
6:
(4)
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,
PIC18F2331/2431/4331/4431
---- xxxx
xxxx xxxx
---- 0000
---- xxxx
xxxx xxxx
---x xxxx
0000 0000
xxxx xxxx
11-- 1111
0000 0000
--00 0101
---- ---0
0--1 11q0
xxxx xxxx
xxxx xxxx
0000 0000
0000 0000
1111 1111
-000 0000
xxxx xxxx
0000 0000
0000 0000
0000 0000
N/A
N/A
N/A
N/A
N/A
Preliminary
RESET Instruction
MCLR Resets
Stack Resets
---- uuuu
uuuu uuuu
---- 0000
---- uuuu
uuuu uuuu
---u uuuu
0000 0000
uuuu uuuu
11-- 1111
0000 0000
--00 0101
---- ---0
0--q qquu
uuuu uuuu
uuuu uuuu
u0uu uuuu
0000 0000
1111 1111
-000 0000
uuuu uuuu
0000 0000
0000 0000
0000 0000
WDT Reset
N/A
N/A
N/A
N/A
N/A
Wake-up via WDT
or Interrupt
---- uuuu
uuuu uuuu
---- uuuu
---- uuuu
uuuu uuuu
---u uuuu
uuuu uuuu
uuuu uuuu
uu-- uuuu
uuuu uuuu
--uu uuuu
---- ---u
u--u qquu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
1111 1111
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
DS39616B-page 49
N/A
N/A
N/A
N/A
N/A
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