PIC16F631-E/ML Microchip Technology, PIC16F631-E/ML Datasheet - Page 123

• Manufacturer Part Number: PIC16F631-E/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F631-E/ML

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 18
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 658-1047-5 - BOARD EVALUATION ACCESSTOUCHAC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNAC162061 - HEADER INTRFC MPLAB ICD2 20PINDVA1004 - DEVICE ADAPTER 8/14/20DIP
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 10-5:
© 2008 Microchip Technology Inc.
bit 7
Legend:
S = Bit can only be set
R = Readable bit
-n = Value at POR
bit 7
bit 6-4
bit 3
bit 2
bit 1
bit 0
Note 1:
EEPGD
R/W-x
(1)
PIC16F685/PIC16F689/PIC16F690 only.
EEPGD: Program/Data EEPROM Select bit
1 = Accesses program memory
0 = Accesses data memory
Unimplemented: Read as ‘0’
WRERR: EEPROM Error Flag bit
1 = A write operation is prematurely terminated (any MCLR Reset, any WDT Reset during
0 = The write operation completed
WREN: EEPROM Write Enable bit
1 = Allows write cycles
0 = Inhibits write to the data EEPROM
WR: Write Control bit
EEPGD = 1:
This bit is ignored
EEPGD = 0:
1 = Initiates a write cycle (The bit is cleared by hardware once write is complete. The WR bit can only
0 = Write cycle to the data EEPROM is complete
RD: Read Control bit
1 = Initiates a memory read (the RD is cleared in hardware and can only be set, not cleared, in
0 = Does not initiate a memory read
normal operation or BOR Reset)
be set, not cleared, in software.)
software.)
U-0
—
EECON1: EEPROM CONTROL REGISTER
W = Writable bit
‘1’ = Bit is set
PIC16F631/677/685/687/689/690
U-0
—
U-0
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
(1)
WRERR
R/W-x
WREN
R/W-0
x = Bit is unknown
R/S-0
WR
DS41262E-page 121
R/S-0
RD
bit 0