PIC16F684-I/ST Microchip Technology Inc., PIC16F684-I/ST Datasheet - Page 40
PIC16F684-I/ST
Manufacturer Part Number
PIC16F684-I/ST
Description
14 PIN, 3.5 KB FLASH, 128 RAM, 12 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F684-IST.pdf
(192 pages)
Specifications of PIC16F684-I/ST
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
12
Memory Type
Flash
Number Of Bits
8
Package Type
14-pin TSSO
Programmable Memory
3.5K Bytes
Ram Size
128 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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PIC16F684
4.2.5.6
Figure 4-6 shows the diagram for this pin. The RA5 pin
is configurable to function as one of the following:
• a general purpose I/O
• a Timer1 clock input
• a crystal/resonator connection
• a clock input
FIGURE 4-6:
DS41202D-page 38
Data Bus
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
WR
WR
WR
WR
RD
RD
RD
RD
Interrupt-on-
Change
Note
D
D
D
D
To Timer1
CK
CK
CK
CK
1: Timer1 LP Oscillator enabled.
RA5/T1CKI/OSC1/CLKIN
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF RA5
INTOSC
OSC2
Mode
INTOSC
RD PORTA
RAPU
Mode
Oscillator
Circuit
TMR1LPEN
Q
Q
EN
EN
D
D
V
(1)
DD
Weak
V
V
DD
Q3
SS
I/O Pin
© 2006 Microchip Technology Inc.
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