PIC12F635-I/MD Microchip Technology, PIC12F635-I/MD Datasheet - Page 55

• Manufacturer Part Number: PIC12F635-I/MD
• Description: IC PIC MCU FLASH 1KX14 8DFN
• Manufacturer: Microchip Technology
• Series: PIC® 12Fr

Specifications of PIC12F635-I/MD

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 5
• 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 ~ 85°C
• Package / Case: 8-DFN
• Controller Family/series: PIC12
• No. Of I/o's: 6
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 64Byte
• Cpu Speed: 20MHz
• No. Of Timers: 2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164326 - MODULA SKT PM3 20QFNXLT08DFN2 - SOCKET TRANSITION ICE 14DIP/8DFNAC162057 - MPLAB ICD 2 HEADER 14DIPXLT08DFN - SOCKET TRANSITION ICE 8DFN
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

4.2.4.2
Figure 4-2 shows the diagram for this pin. The RA1 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input to the comparator
• In-Circuit Serial Programming™ clock
FIGURE 4-2:
© 2007 Microchip Technology Inc.
Data Bus
WPUDA
WPUDA
PORTA
PORTA
TRISA
TRISA
Note 1:
WDA
WDA
IOCA
IOCA
Interrupt-on-
WR
WR
WR
WR
WR
RD
RD
RD
RD
RD
change
D
D
D
D
D
To Comparator
CK
CK
CK
CK
CK
Comparator mode determines Analog Input mode.
RA1/C1IN-/V
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
BLOCK DIAGRAM OF RA1
Analog
RD PORTA
REF
RAPU
Input Mode
(1)
Analog
/ICSPCLK
Q
Q
EN
EN
(1)
D
D
V
V
DD
SS
V
V
DD
SS
Weak
Weak
I/O pin
Q1
PIC12F635/PIC16F636/639
4.2.4.3
Figure 4-3 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
• a general purpose I/O
• the clock input for Timer0
• an external edge-triggered interrupt
• a digital output from the comparator
FIGURE 4-3:
Data Bus
WPUDA
WPUDA
PORTA
PORTA
TRISA
TRISA
WDA
WDA
IOCA
IOCA
Interrupt-on-
WR
WR
WR
WR
WR
RD
RD
RD
RD
RD
change
D
D
D
D
D
To Timer0
To INT
CK
CK
CK
CK
CK
RA2/T0CKI/INT/C1OUT
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF RA2
C1OUT
C1OUT
Enable
RAPU
RD PORTA
Q
Q
1
0
DS41232D-page 53
EN
EN
D
D
V
V
DD
V
SS
V
DD
SS
Weak
Weak
I/O pin
Q1