PIC18F67K90-I/MRRSL Microchip Technology, PIC18F67K90-I/MRRSL Datasheet - Page 345
![MCU PIC 128K FLASH XLP 64QFN](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F67K90-I/MRRSL
Manufacturer Part Number
PIC18F67K90-I/MRRSL
Description
MCU PIC 128K FLASH XLP 64QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F67K90-I/MRRSL
Core Size
8-Bit
Program Memory Size
128KB (64K x 16)
Core Processor
PIC
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN, Exposed Pad
Controller Family/series
PIC18
Eeprom Memory Size
1024Byte
Ram Memory Size
3828Byte
Cpu Speed
16MIPS
No. Of Timers
11
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
I2C, SPI, EUSART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
53
Number Of Timers
11
Operating Supply Voltage
1.8 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
DM163030, DM180021, DM183026-2, DM183032, DV164131, MA180027
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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21.4.17.3
Bus collision occurs during a Stop condition if:
a)
b)
FIGURE 21-33:
FIGURE 21-34:
2010 Microchip Technology Inc.
After the SDAx pin has been deasserted and
allowed to float high, SDAx is sampled low after
the BRG has timed out.
After the SCLx pin is deasserted, SCLx is
sampled low before SDAx goes high.
SDAx
SCLx
PEN
BCLxIF
P
SSPxIF
SDAx
SCLx
PEN
BCLxIF
P
SSPxIF
Bus Collision During a Stop
Condition
BUS COLLISION DURING A STOP CONDITION (CASE 1)
BUS COLLISION DURING A STOP CONDITION (CASE 2)
SDAx Asserted Low
Assert SDAx
T
T
BRG
BRG
Preliminary
T
BRG
T
BRG
PIC18F87K90 FAMILY
The Stop condition begins with SDAx asserted low.
When SDAx is sampled low, the SCLx pin is allowed to
float. When the pin is sampled high (clock arbitration),
the
SSPxADD<6:0> and counts down to 0. After the BRG
times out, SDAx is sampled. If SDAx is sampled low, a
bus collision has occurred. This is due to another
master attempting to drive a data ‘0’ (Figure 21-33). If
the SCLx pin is sampled low before SDAx is allowed to
float high, a bus collision occurs. This is another case
of another master attempting to drive a data ‘0’
(Figure 21-34).
Baud
SCLx goes Low Before SDAx goes High,
Set BCLxIF
T
BRG
T
Rate
BRG
Generator
SDAx Sampled
Low After T
Set BCLxIF
‘0’
‘0’
‘0’
‘0’
DS39957B-page 345
is
loaded
BRG
,
with
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