PIC18F2431-E/SP Microchip Technology, PIC18F2431-E/SP Datasheet - Page 356

• Manufacturer Part Number: PIC18F2431-E/SP
• Description: IC MCU FLASH 8KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-E/SP

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3AC164035 - MODULE SKT FOR 18F2X31 28SOICDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
FIGURE 26-14:
TABLE 26-14: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
DS39616D-page 356
70
71
71A
72
72A
73A
74
75
76
77
80
82
83
Note 1:
Param
No.
(CKP = 0)
(CKP = 1)
SDI
SDI
SCK
SDO
SS
SCK
2:
TssL2scH,
TssL2scL
TscH
TscL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS  to SDO Output High-Impedance
TscH2doV,
TscL2doV
TssL2doV SDO Data Output Valid after SS 
TscH2ssH,
TscL2ssH
Symbol
B
Requires the use of Parameter 73A.
Only if Parameter 71A and 72A are used.
2
B
SS  to SCK  or SCK  Input
SCK Input High Time
SCK Input Low Time
Last Clock Edge of Byte 1 to the First Clock Edge of Byte 2 1.5 T
Hold Time of SDI Data Input to SCK Edge
SDO Data Output Rise Time
SDO Data Output Fall Time
SDO Data Output Valid after SCK
Edge
Edge
SS  after SCK Edge
82
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
MSb In
MSb
74
71
75, 76
Characteristic
72
bit 6 - - - - - -1
bit 6 - - - -1
80
Continuous
Single byte
Continuous
Single byte
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
LSb
LSb In
1.25 T
1.25 T
1.5 T
Min
T
40
40
CY
10
CY
40
—
—
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
 2010 Microchip Technology Inc.
+ 30
+ 30
77
Max Units Conditions
100
100
25
45
25
50
50
50
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)