PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 72
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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PIC16F631/677/685/687/689/690
REGISTER 4-8:
REGISTER 4-9:
REGISTER 4-10:
DS41262C-page 70
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-4
bit 3-0
Note 1: Global RABPU bit of the OPTION register must be enabled for individual pull-ups to be enabled.
TRISB7
WPUB7
IOCB7
R/W-1
R/W-1
R/W-0
2: The weak pull-up device is automatically disabled if the pin is in Output mode (TRISB<7:4> = 0).
TRISB<7:4>: PORTB Tri-State Control bit
1 = PORTB pin configured as an input (tri-stated)
0 = PORTB pin configured as an output
Unimplemented: Read as ‘0’
WPUB<7:4>: Weak Pull-up Register bit
1 = Pull-up enabled
0 = Pull-up disabled
Unimplemented: Read as ‘0’
IOCB<7:4>: Interrupt-on-Change PORTB Control bit
1 = Interrupt-on-change enabled
0 = Interrupt-on-change disabled
Unimplemented: Read as ‘0’
WPUB6
TRISB6
IOCB6
R/W-1
R/W-1
R/W-0
TRISB: PORTB TRI-STATE REGISTER
WPUB: WEAK PULL-UP PORTB REGISTER
IOCB: INTERRUPT-ON-CHANGE PORTB REGISTER
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TRISB5
WPUB5
IOCB5
R/W-1
R/W-1
R/W-0
TRISB4
WPUB4
IOCB4
R/W-1
R/W-1
R/W-0
Preliminary
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
‘0’ = Bit is cleared
‘0’ = Bit is cleared
U-0
U-0
U-0
—
—
—
U-0
U-0
U-0
—
—
—
© 2006 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
x = Bit is unknown
U-0
U-0
U-0
—
—
—
U-0
U-0
U-0
—
—
—
bit 0
bit 0
bit 0
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