PIC18LF2539T-I/SO Microchip Technology, PIC18LF2539T-I/SO Datasheet - Page 281

• 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

FIGURE 23-15:
TABLE 23-14: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
 2002 Microchip Technology Inc.
70
71
71A
72
72A
73A
74
75
76
77
78
79
80
82
83
Note 1: Requires the use of Parameter # 73A.
Param. No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SCK
SDO
SS
SCK
2: Only if Parameter # 71A and # 72A are used.
Refer to Figure 23-4 for load conditions.
TssL2scH,
TssL2scL
TscH
TscL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS↑ to SDO output hi-impedance
TscR
TscF
TscH2doV,
TscL2doV
TssL2doV
TscH2ssH,
TscL2ssH
B
Symbol
2
B
82
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
SS↓ to SCK↓ or SCK↑ input
SCK input high time
(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)
SCK output fall time (Master mode)
SDO data output valid after SCK
edge
SDO data output valid after SS↓ edge PIC18FXXXX
SS ↑ after SCK edge
MSb In
MSb
74
71
75, 76
72
Characteristic
bit6 - - - - - -1
bit6 - - - -1
Preliminary
80
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18LFXXXX
LSb
LSb In
1.25 T
1.25 T
1.5 T
Min
T
100
CY
CY
40
40
10
—
—
—
—
—
—
—
—
—
—
—
—
CY
CY
CY
83
PIC18FXX39
+ 40
+ 40
+ 30
+ 30
77
Max
150
150
—
—
—
—
—
—
—
25
60
25
60
50
25
60
25
60
50
50
—
DS30485A-page 279
Units Conditions
ns
ns
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)
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
= 2V
= 2V
= 2V
= 2V
= 2V
= 2V