PIC18F87K90-E/PT Microchip Technology, PIC18F87K90-E/PT Datasheet - Page 223

• Manufacturer Part Number: PIC18F87K90-E/PT
• Description: 128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm TR
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F87K90-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 128KB (64K x 16)
• 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 24x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 17-7:
REGISTER 17-8:
 2009-2011 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
Note 1:
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4
bit 3-0
Note 1:
YRTEN3
R/W-x
U-0
—
A write to the YEAR register is only allowed when RTCWREN = 1.
A write to this register is only allowed when RTCWREN = 1.
YRTEN<3:0>: Binary Coded Decimal Value of Year’s Tens Digit bits
Contains a value from 0 to 9.
YRONE<3:0>: Binary Coded Decimal Value of Year’s Ones Digit bits
Contains a value from 0 to 9.
Unimplemented: Read as ‘0’
MTHTEN0: Binary Coded Decimal Value of Month’s Tens Digit bits
Contains a value of ‘0’ or ‘1’.
MTHONE<3:0>: Binary Coded Decimal Value of Month’s Ones Digit bits
Contains a value from 0 to 9.
YRTEN2
R/W-x
U-0
—
YEAR: YEAR VALUE REGISTER
MONTH: MONTH VALUE REGISTER
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
YRTEN1
R/W-x
U-0
—
MTHTEN0
YRTEN0
R/W-x
R/W-x
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
‘0’ = Bit is cleared
(1)
MTHONE3
PIC18F87K90 FAMILY
YRONE3
R/W-x
R/W-x
(1)
MTHONE2
YRONE2
R/W-x
R/W-x
x = Bit is unknown
x = Bit is unknown
MTHONE1
YRONE1
R/W-x
R/W-x
DS39957D-page 223
MTHONE0
YRONE0
R/W-x
R/W-x
bit 0
bit 0