PIC18LF8680-I/PT Microchip Technology, PIC18LF8680-I/PT Datasheet - Page 220
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PIC18LF8680-I/PT
Manufacturer Part Number
PIC18LF8680-I/PT
Description
IC, 8BIT MCU, PIC18LF, 40MHZ, PLCC-64
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XK1.pdf
(496 pages)
3.PIC18F6585-IPT.pdf
(8 pages)
4.PIC18F6585-IPT.pdf
(38 pages)
5.PIC18F6585-IPT.pdf
(14 pages)
Specifications of PIC18LF8680-I/PT
Controller Family/series
PIC18
No. Of I/o's
39
Eeprom Memory Size
1024Byte
Ram Memory Size
3328Byte
Cpu Speed
40MHz
No. Of Timers
4
Core Size
8 Bit
Program Memory Size
32768 Words
Core Processor
PIC
Speed
40MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
68
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TFQFP
Rohs Compliant
Yes
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3328 B
Interface Type
I2C, SPI, AUSART, CAN
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
69
Number Of Timers
8
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, DV164136, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF8680-I/PT
Manufacturer:
Microchip
Quantity:
230
Company:
Part Number:
PIC18LF8680-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PCM18XK1 PDF datasheet #2
- PIC18F6585-IPT PDF datasheet #3
- PIC18F6585-IPT PDF datasheet #4
- PIC18F6585-IPT PDF datasheet #5
- Current page: 220 of 496
- Download datasheet (9Mb)
PIC18F6585/8585/6680/8680
17.4.9
A Repeated Start condition occurs when the RSEN bit
(SSPCON2<1>) is programmed high and the I
module is in the Idle state. When the RSEN bit 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<6:0> 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 (SSPCON2<1>) 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 (SSPSTAT<3>) will be set. The SSPIF bit will
not be set until the Baud Rate Generator has timed out.
FIGURE 17-20:
DS30491C-page 218
Note 1: If RSEN is programmed while any other
2: A bus collision during the Repeated Start
I
START CONDITION TIMING
• SDA is sampled low when SCL goes
• SCL goes low before SDA is
2
event is in progress, it will not take effect.
condition occurs if:
C MASTER MODE REPEATED
from low-to-high.
asserted low. This may indicate that
another master is attempting to
transmit a data ‘1’.
Falling edge of ninth clock,
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).
2
C logic
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 con-
tents of the buffer are unchanged (the write doesn’t
occur).
Note:
Sr = Repeated Start
T
BRG
At completion of Start bit,
hardware clears RSEN bit
Set S (SSPSTAT<3>)
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
WCOL Status Flag
T
BRG
1st bit
T
BRG
2004 Microchip Technology Inc.
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