PIC18F85K22-I/PT Microchip Technology, PIC18F85K22-I/PT Datasheet - Page 278
PIC18F85K22-I/PT
Manufacturer Part Number
PIC18F85K22-I/PT
Description
IC, 8BIT MCU, PIC18F, 64MHZ, TQFP-80
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F85K22-IPT.pdf
(550 pages)
Specifications of PIC18F85K22-I/PT
Controller Family/series
PIC18
No. Of I/o's
69
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
64MHz
No. Of Timers
8
Core Size
8 Bit
Program Memory Size
32KB
Core Processor
PIC
Speed
64MHz
Connectivity
EBI/EMI, I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
69
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 24x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Company:
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Quantity:
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PIC18F87K22 FAMILY
FIGURE 20-16:
FIGURE 20-17:
FIGURE 20-18:
DS39960D-page 278
Note 1: Port outputs are configured as displayed when
P1<D:A>
PORT Data
PORT Data
PORT Data
PORT Data
STRn
P1<D:A>
PxA Signal
PWM
2: Single PWM output requires setting at least
CCPxM1
CCPxM0
CCPxM1
CCPxM0
STRC
STRD
STRA
STRB
STRn
PWM
the CCPxCON register bits, PxM<1:0> = 00
and CCP1M<3:2> = 11.
one of the STRx bits.
(2)
(2)
(2)
(2)
PORT Data
SIMPLIFIED STEERING
BLOCK DIAGRAM
EXAMPLE OF STEERING EVENT AT END OF INSTRUCTION (STRSYNC = 0)
EXAMPLE OF STEERING EVENT AT BEGINNING OF INSTRUCTION (STRSYNC = 1)
1
0
1
0
1
0
1
0
PORT Data
PWM Period
TRIS
TRIS
TRIS
TRIS
Output Pin
Output Pin
Output Pin
Output Pin
(1)
(1)
(1)
(1)
P1n = PWM
20.4.7.1
The STRSYNC bit of the PSTRxCON register gives the
user two choices for when the steering event will
happen. When the STRSYNC bit is ‘0’, the steering
event will happen at the end of the instruction that
writes to the PSTRxCON register. In this case, the out-
put signal at the Px<D:A> pins may be an incomplete
PWM waveform. This operation is useful when the user
firmware needs to immediately remove a PWM signal
from the pin.
When the STRSYNC bit is ‘1’, the effective steering
update will happen at the beginning of the next PWM
period. In this case, steering on/off the PWM output will
always produce a complete PWM waveform.
Figures
of the PWM steering depending on the STRSYNC
setting.
P1n = PWM
20-17
Steering Synchronization
and
2009-2011 Microchip Technology Inc.
20-18
PORT Data
illustrate the timing diagrams
PORT Data
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