PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 366
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 25-14:
TABLE 25-14: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
DS39616B-page 364
70
71
71A
72
72A
73A
74
75
76
77
78
79
80
82
83
Note 1:
Param
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SDI
SCK
SDO
SS
SCK
2:
TssL2scH,
TssL2scL
TscH
TscL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ
TscR
TscF
TscH2doV,
TscL2doV
TssL2doV
TscH2ssH,
TscL2ssH
B
Symbol
Requires the use of Parameter # 73A.
Only if Parameter # 71A and # 72A are used.
Refer to Figure 25-4 for load conditions.
2
B
82
SS to SCK or SCK input
SCK input high time
(Slave mode)
SCK input low time
(Slave mode)
Last clock edge of Byte1 to the first clock edge of Byte2 1.5 T
Hold time of SDI data input to SCK edge
SDO data output rise time
SDO data output fall time
SS to SDO output hi-impedance
SCK output rise time
(Master mode)
SCK output fall time (Master mode)
SDO data output valid after SCK
edge
SDO data output valid after SS
edge
SS
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
after SCK edge
MSb IN
MSb
74
71
75, 76
Characteristic
72
bit6 - - - - - -1
bit6 - - - -1
Preliminary
Continuous
Single Byte
Continuous
Single Byte
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
80
LSb
LSb IN
1.25 T
1.25 T
1.5 T
Min
100
T
CY
CY
40
40
—
—
10
—
—
—
—
—
—
—
CY
CY
CY
+ 40
+ 40
83
+ 30
+ 30
2003 Microchip Technology Inc.
77
Max Units Conditions
100
100
25
45
25
50
25
45
25
50
50
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)
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