PIC18LF25K22-I/SP Microchip Technology, PIC18LF25K22-I/SP Datasheet - Page 232
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PIC18LF25K22-I/SP
Manufacturer Part Number
PIC18LF25K22-I/SP
Description
MCU 8BIT 32KB FLASH 3.6V 28SDIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F26J13-ISS.pdf
(496 pages)
2.PIC18F25K22T-ISS.pdf
(10 pages)
3.PIC18F25K22-ISP.pdf
(492 pages)
Specifications of PIC18LF25K22-I/SP
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 19x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1536 B
Interface Type
I2C, SPI, EUSART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
25
Number Of Timers
7
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164005
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 17 Channel
On-chip Dac
5 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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PIC18(L)F2X/4XK22
15.5.4
This section describes a standard sequence of events
for the MSSPx module configured as an I
10-bit Addressing mode.
Figure 15-19 and is used as a visual reference for this
description.
This is a step by step process of what must be done by
slave software to accomplish I
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Slave clears SSPxIF.
11. Slave reads the received matching address
12. Slave loads high address into SSPxADD.
13. Master clocks a data byte to the slave and clocks
14. If SEN bit of SSPxCON2 is set, CKP is cleared
15. Slave clears SSPxIF.
16. Slave reads the received byte from SSPxBUF
17. If SEN is set the slave sets CKP to release the
18. Steps 13-17 repeat for each received byte.
19. Master sends Stop to end the transmission.
DS41412B-page 232
Note: Updates to the SSPxADD register are not
Note: If the low address does not match, SSPxIF
Bus starts Idle.
Master sends Start condition; S bit of SSPxSTAT
is set; SSPxIF is set if interrupt on Start detect is
enabled.
Master sends matching high address with R/W
bit clear; UA bit of the SSPxSTAT register is set.
Slave sends ACK and SSPxIF is set.
Software clears the SSPxIF bit.
Software reads received address from SSPxBUF
clearing the BF flag.
Slave loads low address into SSPxADD,
releasing SCLx.
Master sends matching low address byte to the
slave; UA bit is set.
Slave sends ACK and SSPxIF is set.
from SSPxBUF clearing BF.
out the slaves ACK on the 9th SCLx pulse;
SSPxIF is set.
by hardware and the clock is stretched.
clearing BF.
SCLx.
SLAVE MODE 10-BIT ADDRESS
RECEPTION
allowed until after the ACK sequence.
and UA are still set so that the slave software
can set SSPxADD back to the high address.
BF is not set because there is no match.
CKP is unaffected.
2
C communication.
2
C slave in
Preliminary
15.5.5
Reception using 10-bit addressing with AHEN or
DHEN set is the same as with 7-bit modes. The only
difference is the need to update the SSPxADD register
using the UA bit. All functionality, specifically when the
CKP bit is cleared and SCLx line is held low are the
same. Figure 15-20 can be used as a reference of a
slave in 10-bit addressing with AHEN set.
Figure 15-21 shows a standard waveform for a slave
transmitter in 10-bit Addressing mode.
10-BIT ADDRESSING WITH ADDRESS OR
DATA HOLD
2010 Microchip Technology Inc.
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