PIC18F85J90-I/PT Microchip Technology, PIC18F85J90-I/PT Datasheet - Page 23

• 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

3.4.4
3.4.5
3.4.6
3.4.7
© 2009 Microchip Technology Inc.
LINE_CYC
LINE_CYC_CNT
PHA_W_RAW
PHA_W
REGISTER 3-4:
Number of line cycles as a power of two. A setting of 0 indicates 2
setting of 1 is 2 line cycles (2
which is 256 line cycles. When written, this register will not take effect until the previous
number of line cycles has been acquired.
REGISTER 3-5:
This register counts from 0 and finishes at 2
LINE_CYC represents the value in the LINE_CYC register.
REGISTER 3-6:
These registers are the raw phase A active power as it represents the sum of each
phase y current A/D value times phase y voltage A/D value results over LINE_CYC line
cycles (each line cycle has 128 results). Each current times voltage multiplication
results in a 32-bit word. There are up to 256 line cycles with each line cycle being
128 results and each result being 32-bit. Thus, a 48-bit register is needed. This is the
register to be read during calibration for calculating the offset and gain values
associated with active phase y power, PHy_W_OFF, PHy_W_GAIN, and
PHy_W_GLSB. These registers are overwritten every line cycle, however if calibration
is enabled, updates will stop once LINE_CYC line cycles have elapsed.
REGISTER 3-7:
These registers are the value for phase A active power. The goal of calibration is to get
these registers values to equal X 0.1 mW/LSB. When displaying the active power for
phase y, simply display the value in these registers with the decimal point one digit in
from the right, in milli-watts. (Note this decimal point location, or LSB resolution of
0.1 mW, is specific for the 5(10)A, 220V rating that this meter is designed for). This
register is overwritten every LINE_CYC line cycles (written only once if calibration is
enabled).
LINE_CYC_CNT
LINE_CYC
Name
PHA_W_RAW
Name
PHA_W
Name
Name
Calculation and Register Description
Bits
16
Bits
LINE_CYC REGISTER
LINE_CYC_CNT REGISTER
PHA_W_RAW REGISTER
PHA_W REGISTER
16
Bits
Bits
48
32
Address
0x00A
1
Address
Address
Address
), a setting of 2 is 4 lines cycles (2
0x00C
0x064
0x076
R/W
Cof
Cof
Cof
Cof
R
R
R
(LINE_CYC)
-1 and then re-starts at 0, where
2
), up to a setting of 8
0
or 1 line cycle. A
DS51884A-page 23