PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 355

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• 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 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 26-13:
TABLE 26-13: EXAMPLE SPI MODE REQUIREMENTS (SLAVE MODE, CKE = 0)
 2010 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
77
80
83
Note 1:
Param
No.
(CKP = 0)
(CKP = 1)
SDI
SDI
SS
SCK
SCK
SDO
2:
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS  to SDO Output High-Impedance
TscH2doV,
TscL2doV
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
Setup Time of SDI Data Input to SCK Edge
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 PIC18FXX31
SS  after SCK Edge
EXAMPLE SPI SLAVE MODE TIMING (CKE = 0)
70
80
71
73
MSb In
MSb
Characteristic
74
72
PIC18F2331/2431/4331/4431
75, 76
bit 6 - - - - - -1
bit 6 - - - -1
Continuous
Single byte
Continuous
Single byte
PIC18FXX31
PIC18LFXX31
PIC18LFXX31
1.25 T
1.25 T
1.5 T
LSb In
Min
T
LSb
40
40
20
CY
40
10
CY
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
25
45
25
50
50
—
—
—
—
—
—
—
—
—
DS39616D-page 355
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)