PIC18F87K90-E/PT Microchip Technology, PIC18F87K90-E/PT Datasheet - Page 227

• 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 17-16: ALRMWD: ALARM WEEKDAY VALUE REGISTER
REGISTER 17-17: ALRMHR: ALARM HOURS VALUE REGISTER
 2009-2011 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-3
bit 2-0
Note 1:
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5-4
bit 3-0
Note 1:
U-0
U-0
—
—
A write to this register is only allowed when RTCWREN = 1.
A write to this register is only allowed when RTCWREN = 1.
Unimplemented: Read as ‘0’
WDAY<2:0>: Binary Coded Decimal Value of Weekday Digit bits
Contains a value from 0 to 6.
Unimplemented: Read as ‘0’
HRTEN<1:0>: Binary Coded Decimal Value of Hour’s Tens Digit bits
Contains a value from 0 to 2.
HRONE<3:0>: Binary Coded Decimal Value of Hour’s Ones Digit bits
Contains a value from 0 to 9.
U-0
U-0
—
—
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
HRTEN1
R/W-x
U-0
—
HRTEN0
R/W-x
U-0
—
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
‘0’ = Bit is cleared
PIC18F87K90 FAMILY
HRONE3
R/W-x
U-0
—
HRONE2
(1)
WDAY2
R/W-x
R/W-x
(1)
x = Bit is unknown
x = Bit is unknown
HRONE1
WDAY1
R/W-x
R/W-x
DS39957D-page 227
HRONE0
WDAY0
R/W-x
R/W-x
bit 0
bit 0