PIC18LF2539T-I/SO Microchip Technology, PIC18LF2539T-I/SO Datasheet - Page 278

• Manufacturer Part Number: PIC18LF2539T-I/SO
• Description: IC MCU FLASH 12KX16 EE AD 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2539T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1408 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1408 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX39
FIGURE 23-12:
TABLE 23-11: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
DS30485A-page 276
70
71
71A
72
72A
73
73A
74
75
76
78
79
80
Note 1: Requires the use of Parameter # 73A.
Param.
No.
(CKP = 0)
(CKP = 1)
SDI
SCK
SDO
SS
SCK
Note:
2: Only if Parameter # 71A and # 72A are used.
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
Symbol
B
2
Refer to Figure 23-4 for load conditions.
B
SS↓ to SCK↓ or SCK↑ input
SCK input high time
(Slave mode)
SCK input low time
(Slave mode)
Setup time of SDI data input to SCK edge
Last clock edge of Byte 1 to the 1st clock edge of Byte 2
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)
SCK output fall time (Master mode) PIC18FXXXX
SDO data output valid after SCK
edge
EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
70
80
71
73
MSb In
Characteristic
MSb
74
72
75, 76
Preliminary
bit6 - - - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
bit6 - - - -1
78
79
1.25 T
1.25 T
1.5 T
LSb
79
78
Min
100
100
T
CY
40
40
—
—
—
—
—
—
—
—
—
LSb In
—
CY
CY
CY
+ 40
+ 30
+ 30
 2002 Microchip Technology Inc.
Max Units Conditions
150
25
60
25
60
25
60
25
60
50
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)
V
V
V
V
V
DD
DD
DD
DD
DD
= 2V
= 2V
= 2V
= 2V
= 2V