PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 123
PIC16F690-E/P
Manufacturer Part Number
PIC16F690-E/P
Description
20 PIN, 7 KB FLASH, 256 RAM, 18 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F690-EP.pdf
(294 pages)
Specifications of PIC16F690-E/P
A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
7 MIPS
Eeprom Memory
256 Bytes
Input Output
18
Interface
USART
Memory Type
Flash
Number Of Bits
8
Package Type
20-pin PDIP
Programmable Memory
7K Bytes
Ram Size
256 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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REGISTER 10-5:
© 2006 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
Preliminary
—
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
DS41262C-page 121
R/S-0
RD
bit 0
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