PIC16F616 Microchip Technology Inc., PIC16F616 Datasheet - Page 40

• Manufacturer Part Number: PIC16F616
• Description: 14-pin Flash-based, 8-bit Cmos Microcontrollers
• Manufacturer: Microchip Technology Inc.

PIC16F610/616/16HV610/616
4.2.4.6
Figure 4-5 shows the diagram for this pin. The RA5 pin
is configurable to function as one of the following:
FIGURE 4-5:
DS41288C-page 38
Interrupt-on-
Note 1: Timer1 LP Oscillator enabled.
Change
RA5/T1CKI/OSC1/CLKIN
2: Set has priority over Reset.
Write ‘0’ to RAIF
BLOCK DIAGRAM OF RA5
Q
S
R
(2)
Data Bus
PORTA
PORTA
RA<4:0> pins
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
From other
WR
WR
WR
WR
RD
RD
RD
RD
Preliminary
D
D
D
D
To Timer1
CK
CK
CK
CK
Q
Q
Q
Q
Q
Q
Q
Q
• a general purpose I/O
• a Timer1 clock input
• a crystal/resonator connection
• a clock input
INTOSC
OSC2
Mode
INTOSC
RAPU
RD PORTA
Mode
Oscillator
Circuit
TMR1LPEN
Q
Q
EN
EN
D
D
© 2007 Microchip Technology Inc.
V
(1)
DD
Weak
V
V
Q1
DD
SS
I/O Pin