PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 191
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
- Current page: 191 of 402
- Download datasheet (7Mb)
18.4.4.5
When the CKP bit is cleared, the SCL output is forced
to ‘0’. However, clearing the CKP bit will not assert the
SCL output low until the SCL output is already
sampled low. Therefore, the CKP bit will not assert the
SCL line until an external I
FIGURE 18-14:
© 2009 Microchip Technology Inc.
WR
SSPCON
SDA
SCL
CKP
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Clock Synchronization and
the CKP bit
CLOCK SYNCHRONIZATION TIMING
PIC18F2221/2321/4221/4321 FAMILY
2
C master device has
DX
Master device
asserts clock
already asserted the SCL line. The SCL output will
remain low until the CKP bit is set and all other
devices on the I
ensures that a write to the CKP bit will not violate the
minimum high time requirement for SCL (see
Figure 18-14).
Master device
deasserts clock
2
C bus have deasserted SCL. This
DS39689F-page 191
DX – 1
Related parts for PIC18LF4221-I/PT
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet: