PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 218
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
FIGURE 18-4:
TABLE 18-1:
DS39616B-page 216
INTCON
PIR1
PIE1
TRISC
SSPBUF
SSPCON
TRISA
SSPSTAT
Legend: x = unknown, u = unchanged, – = unimplemented, read as ‘0’. Shaded cells are not used by the SSP in
Note 1:
Name
SS
SCK (CKP = 0)
SCK (CKP = 1)
SDO
SDI (SMP = 0)
SSPIF
SPI mode.
Bits PSPIE and PSPIF are reserved on the PIC16F73/76; always maintain these bits clear.
PORTC Data Direction Register
Synchronous Serial Port Receive Buffer/Transmit Register
PSPIF
PSPIE
WCOL
Bit 7
SMP
GIE
—
REGISTERS ASSOCIATED WITH SPI OPERATION
(1)
(1)
SPI MODE TIMING (SLAVE MODE WITH CKE = 1)
bit7
SSPOV SSPEN CKP SSPM3 SSPM2 SSPM1
PEIE
ADIF
ADIE
Bit 6
CKE
bit7
—
PORTA Data Direction Register
TMR0IE INTE
RCIE
RCIF
Bit 5
D/A
bit6
TXIF
TXIE
Bit 4
P
bit5
Preliminary
SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
SSPIF
RBIE
Bit 3
S
bit4
TMR0IF
CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
Bit 2
R/W
bit3
Bit 1
INTF
UA
bit2
SSPM0 0000 0000 0000 0000
RBIF
Bit 0
BF
bit1
2003 Microchip Technology Inc.
0000 000x 0000 000u
1111 1111 1111 1111
xxxx xxxx uuuu uuuu
--11 1111 --11 1111
0000 0000 0000 0000
Value on:
POR,
BOR
bit0
bit0
Value on
all other
Resets
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