PIC18F85J90-I/PT Microchip Technology, PIC18F85J90-I/PT Datasheet - Page 46

• Manufacturer Part Number: PIC18F85J90-I/PT
• Description: IC PIC MCU FLASH 16KX16 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F85J90-I/PT

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 67
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TFQFP
• Controller Family/series: PIC18
• No. Of I/o's: 67
• Ram Memory Size: 2KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 2
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: AUSART, EUSART, I2C, SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 67
• Number Of Timers: 4
• 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, DV164136, DM163030
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• Package: 80TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164328 - MODULE SKT FOR 80TQFP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

MCP3909/PIC18F85J90 Single Phase Energy Meter Reference Design
DS51884A-page 46
EQUATION 5-26:
For RMS LSB correction, the following equations apply:
EQUATION 5-27:
EQUATION 5-28:
EQUATION 5-29:
EQUATION 5-30:
Note:
Note:
Note:
PHA_V_RMS_GLSB
PHA_I_RMS_GLSB
Convert to 16-bit signed integer for compatibility with PIC18F85J90 register
and firmware calculations
Convert to 16-bit signed integer for compatibility with PIC18F85J90 register
and firmware calculations
Convert to 16-bit signed integer for compatibility with PIC18F85J90 register
and firmware calculations
ILSB = Value from Table 5-3 based on I
PHA_V_RMS_OFF
VLSB = Value from Table 5-5 based on V
=
=
----------------------------------------------------------------------- - 32768
------------------------------------------------------------------------- - 32768
-------------- -
65536
-------------- -
65536
VR
IR
1
1
=
+
+
⎛
⎝
---------------------------------------------------- -
------------------------------ -
VG VG 1
PHA_I_RMS_OFF
PHA_V_RMS_OFF
⎛
⎝
⎛
⎝
VR1 VR2
------------ -
ILSB
------------- -
VLSB
I
V
•
B
B
–
65536
⎞
⎠
⎞
⎠
–
MAX
© 2009 Microchip Technology Inc.
B
⎞
⎠
value
–
value
VR
2
•
•