PIC18LF2550-I/SO Microchip Technology, PIC18LF2550-I/SO Datasheet - Page 391

• Manufacturer Part Number: PIC18LF2550-I/SO
• Description: IC PIC MCU FLASH 16KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2550-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 32KB (16K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 24
• Eeprom Size: 256 x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/I2C/EAUSART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163025, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 48 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 28-14:
TABLE 28-18: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
© 2007 Microchip Technology Inc.
Param
70
71
71A
72
72A
73A
74
75
76
77
78
79
80
82
83
Note 1:
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SDI
SS
SCK
SCK
SDO
2:
TssL2scH,
TssL2scL
TscH
TscL
Tb2b
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
Requires the use of Parameter 73A.
Only if Parameter 71A and 72A are used.
Refer to Figure 28-4 for load conditions.
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
Edge
SS ↑ after SCK Edge
82
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
MSb In
MSb
74
71
75, 76
Characteristic
72
PIC18F2455/2550/4455/4550
bit 6 - - - - - -1
bit 6 - - - -1
Preliminary
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
80
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
—
—
—
—
—
—
—
—
DS39632D-page 389
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
DD
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V
= 2.0V