PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 60
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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
FIGURE 3-9:
TABLE 3-2:
DS41262C-page 58
CONFIG
OSCCON
OSCTUNE
PIE1
PIR1
Legend:
Note 1:
Clock Monitor Output
Name
2:
Sample Clock
(2)
Note:
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators.
Other (non Power-up) Resets include MCLR Reset and Watchdog Timer Reset during normal operation.
See Configuration Word register (Register 14-1) for operation of all register bits.
OSCFIF
System
Output
Clock
Bit 7
CPD
—
—
—
—
(Q)
SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
The system clock is normally at a much higher frequency than the sample clock. The relative frequencies in
this example have been chosen for clarity.
FSCM TIMING DIAGRAM
IRCF2
ADIE
ADIF
Bit 6
CP
—
MCLRE
IRCF1
RCIE
RCIF
Bit 5
—
Test
PWRTE
IRCF0
TUN4
Bit 4
TXIE
TXIF
Preliminary
WDTE
SSPIE
SSPIF
OSTS
TUN3
Bit 3
CCP1IE
CCP1IF
FOSC2
TUN2
Bit 2
HTS
Test
TMR2IE
TMR2IF
FOSC1
Oscillator
Failure
TUN1
Bit 1
LTS
TMR1IE
TMR1IF
FOSC0
TUN0
Bit 0
SCS
© 2006 Microchip Technology Inc.
Detected
-110 x000
---0 0000
-000 0000
-000 0000
POR, BOR
Value on
Failure
—
Test
-110 x000
---u uuuu
-000 0000
-000 0000
Resets
Value on
all other
—
(1)
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