PIC18F85J90-I/PT Microchip Technology, PIC18F85J90-I/PT Datasheet - Page 20

• 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
3.4
3.4.1
DS51884A-page 20
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 13-15
bit 11-12
bit 8-10
bit 6-7
bit 3-5
bit 2
bit 1
bit 0
R/W-0
APP2
PGA1
R/W
CONFIGURATION AND OUTPUT REGISTERS
MODE1 Register
APP: Apparent Power Calculation Mode Bits (not implemented)
ACT: Active Power Calculation Mode Bits (not implemented)
Unimplemented: Read as ‘0’
PGA: PGA Bits (not implemented)
CF Phase y: Active Energy CF Phase Enable Bits
1 = Enabled to be accumulated into the total energy registers or CF pulse output
0 = Disabled and is not acculated into the total energy registers or CF pulse output
Absolute: Positive Only Energy Accumulation Mode
1 = Positive Energy Only
0 = Both negative and positive energy accumulated (negative energy is subtracted)
Phase: The Phase Bit
1 = Single Point Phase Correction
0 = Multi-Point Phase Correction (future)
CREEP: No-Load Threshold Bit
1 = Enabled
0 = Disabled
APP1
PGA0
R/W
R/W
REGISTER 3-1:
The mode register controls the operation of the energy meter. The bit functions are
defined below.
MODE1
Name
W = Writable bit
‘1’ = Bit is set
APP0
CF_C
R/W
R/W
Bits
16
MODE1 REGISTER
ACT1
CF_B
R/W
R/W
Address
0x000
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
ACT0
CF_A
R/W
R/W
R/W
Cof
ABSOLUTE
R/W
U-0
—
© 2009 Microchip Technology Inc.
x = Bit is unknown
PHASE
R/W
U-0
—
CREEP
R/W
U-0
—
bit 8
bit 0