PIC18F2331-E/SP Microchip Technology, PIC18F2331-E/SP Datasheet - Page 365

• Manufacturer Part Number: PIC18F2331-E/SP
• Description: IC MCU FLASH 4KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2331-E/SP

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K 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

FIGURE 25-14:
TABLE 25-14: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
© 2007 Microchip Technology Inc.
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
SS
SCK
SCK
SDO
2:
TssL2scH,
TssL2scL
TscH
TscL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS ↑ to SDO Output High-Impedance
TscR
TscF
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.
Refer to Figure 25-4 for load conditions.
2
B
SCK Input High Time
SCK Output Fall Time (Master mode)
SS ↓ to SCK ↓ or SCK ↑ Input
(Slave mode)
SCK Input Low Time
(Slave mode)
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
SCK Output Rise Time
(Master mode)
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
PIC18F2331/2431/4331/4431
bit 6 - - - - - -1
bit 6 - - - -1
Preliminary
80
Continuous
Single byte
Continuous
Single byte
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
LSb
LSb In
1.25 T
1.25 T
1.5 T
Min
T
100
CY
CY
40
40
10
—
—
—
—
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
100
25
45
25
50
25
45
25
50
50
—
—
—
—
—
—
—
—
DS39616C-page 363
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)