PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 363
PIC18LF4221-I/PT
Manufacturer Part Number
PIC18LF4221-I/PT
Description
4 KB Flash, 512 RAM 44 TQFP 10x10x1mm TRAY
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(402 pages)
2.PIC18F2221-ISO.pdf
(8 pages)
3.PIC18F2221-ISO.pdf
(30 pages)
4.PIC18F2221-ISO.pdf
(46 pages)
Specifications of PIC18LF4221-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF4221-I/PT
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
PIC18LF4221-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC18F2221-ISO PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
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- Download datasheet (7Mb)
FIGURE 27-15:
TABLE 27-16: EXAMPLE SPI MODE REQUIREMENTS (SLAVE MODE TIMING, CKE = 0)
© 2009 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
77
80
83
Note 1:
Param
No.
(CKP = 0)
(CKP = 1)
SDI
SS
SCK
SCK
SDO
2:
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
Tb2b
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS ↑ to SDO Output High-Impedance
TscH2doV,
TscL2doV
TscH2ssH,
TscL2ssH
Symbol
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
SS ↓ to SCK ↓ or SCK ↑ Input
SCK Input High Time
SCK Input Low Time
Setup Time of SDI Data Input to SCK Edge
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
SDO Data Output Valid after SCK Edge PIC18FXXXX
SS ↑ after SCK edge
EXAMPLE SPI SLAVE MODE TIMING (CKE = 0)
PIC18F2221/2321/4221/4321 FAMILY
70
80
71
73
MSb In
MSb
Characteristic
74
72
75, 76
bit 6 - - - - - -1
bit 6 - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXXX
PIC18LFXXXX
PIC18LFXXXX
1.25 T
1.25 T
1.5 T
LSb In
3 T
Min
LSb
40
40
20
CY
40
10
CY
—
—
—
CY
CY
83
CY
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
25
45
25
50
50
—
—
—
—
—
—
—
—
—
DS39689F-page 363
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)
V
V
DD
DD
= 2.0V
= 2.0V
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