PIC18F46K20-E/ML Microchip Technology, PIC18F46K20-E/ML Datasheet - Page 224
![IC PIC MCU FLASH 32KX16 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F46K20-E/ML
Manufacturer Part Number
PIC18F46K20-E/ML
Description
IC PIC MCU FLASH 32KX16 44QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(456 pages)
3.PIC18F26K20-ISS.pdf
(6 pages)
4.PIC18F26K20-ISS.pdf
(10 pages)
5.PIC18F26K20-EML.pdf
(430 pages)
Specifications of PIC18F46K20-E/ML
Core Size
8-Bit
Program Memory Size
64KB (32K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Controller Family/series
PIC18
No. Of I/o's
36
Eeprom Memory Size
1024Byte
Ram Memory Size
3.84375KB
Cpu Speed
64MHz
No. Of Timers
4
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
CCP, ECCP, EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
36
Number Of Timers
4
Maximum Operating Temperature
+ 125 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, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 14 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPDM164124 - KIT STARTER FOR PIC18F4XK20
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F26K20-ISS PDF datasheet #3
- PIC18F26K20-ISS PDF datasheet #4
- PIC18F26K20-EML PDF datasheet #5
- Current page: 224 of 456
- Download datasheet (4Mb)
PIC18F2XK20/4XK20
17.4.9
A Repeated Start condition occurs when the RSEN bit
of the SSPCON2 register is programmed high and the
I
is set, the SCL pin is asserted low. When the SCL pin
is sampled low, the Baud Rate Generator is loaded with
the contents of SSPADD<5:0> and begins counting.
The SDA pin is released (brought high) for one Baud
Rate Generator count (T
Generator times out, if SDA is sampled high, the SCL
pin will be deasserted (brought high). When SCL is
sampled high, the Baud Rate Generator is reloaded
with the contents of SSPADD<7:0> and begins count-
ing. SDA and SCL must be sampled high for one T
This action is then followed by assertion of the SDA pin
(SDA = 0) for one T
this, the RSEN bit of the SSPCON2 register will be
automatically cleared and the Baud Rate Generator will
not be reloaded, leaving the SDA pin held low. As soon
as a Start condition is detected on the SDA and SCL
pins, the S bit of the SSPSTAT register will be set. The
SSPIF bit will not be set until the Baud Rate Generator
has timed out.
FIGURE 17-20:
DS41303G-page 224
2
C logic module is in the Idle state. When the RSEN bit
I
START CONDITION TIMING
2
C MASTER MODE REPEATED
on falling edge of ninth clock,
RSEN bit set by hardware
BRG
REPEAT START CONDITION WAVEFORM
SDA
SCL
while SCL is high. Following
BRG
). When the Baud Rate
end of Xmit
Write to SSPCON2
occurs here.
SDA = 1,
SCL (no change).
BRG
T
SDA = 1,
SCL = 1
.
BRG
T
BRG
Immediately following the SSPIF bit getting set, the user
may write the SSPBUF with the 7-bit address in 7-bit
mode or the default first address in 10-bit mode. After the
first eight bits are transmitted and an ACK is received,
the user may then transmit an additional eight bits of
address (10-bit mode) or eight bits of data (7-bit mode).
17.4.9.1
If the user writes the SSPBUF when a Repeated Start
sequence is in progress, the WCOL is set and the
contents of the buffer are unchanged (the write doesn’t
occur).
Note:
Note 1: If RSEN is programmed while any other
Sr = Repeated Start
T
BRG
2: A bus collision during the Repeated Start
At completion of Start bit,
hardware clears RSEN bit
S bit set by hardware
and sets SSPIF
Because queueing of events is not
allowed, writing of the lower 5 bits of
SSPCON2 is disabled until the Repeated
Start condition is complete.
Write to SSPBUF occurs here
event is in progress, it will not take effect.
condition occurs if:
• SDA is sampled low when SCL goes
• SCL goes low before SDA is
WCOL Status Flag
T
from low-to-high.
asserted low. This may indicate that
another master is attempting to
transmit a data ‘1’.
BRG
1st bit
T
BRG
2010 Microchip Technology Inc.
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