PIC16F785-E/SS Microchip Technology, PIC16F785-E/SS Datasheet - Page 42

• Manufacturer Part Number: PIC16F785-E/SS
• Description: 20 PIN, 3.5 KB STD FLASH, 128 RAM, 18 I/O PB FREE,
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F785-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPAC162060 - HEADER INTRFC MPLAB ICD2 20PIN
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F785/HV785
4.2.3.5
Figure 4-5 shows the diagram for this pin. The RA4 pin
is configurable to function as one of the following:
• General purpose I/O
• Analog input for the A/D
• TMR1 gate input
• Crystal/resonator connection
• Clock output
FIGURE 4-5:
DS41249E-page 40
Data Bus
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
Note 1: CLK modes are XT, HS, LP, LPTMR1 and CLKOUT
WR
RD
WR
WR
WR
RD
RD
RD
Interrupt-on-
CHANGE
2: With CLKOUT option.
Enable.
D
D
D
D
To T1G
To A/D Converter
CK
CK
CK
CK
S
RA4/AN3/T1G/OSC2/CLKOUT
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF RA4
OSC1
ANS3
Enable
CLKOUT
F
RD PORTA
OSC
INTOSC/
RC/EC
Q
Q
Q
/4
CLKOUT
RAPU
Enable
ANS3
Oscillator
Circuit
Modes
(2)
1
0
EN
EN
EN
CLK
D
D
D
(1)
Q1
V
DD
Weak
V
V
Q3
DD
SS
I/O pin
4.2.3.6
Figure 4-6 shows the diagram for this pin. The RA5 pin
is configurable to function as one of the following:
• General purpose I/O
• TMR1 clock input
• Crystal/resonator connection
• Clock input
FIGURE 4-6:
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 TMR1 or CLKGEN
CK
CK
CK
CK
1: CLK modes are XT, HS, LP and LPTMR1.
2: When using Timer1 with LP oscillator, the
S
RA5/T1CKI/OSC1/CLKIN
Schmitt Trigger is bypassed.
Q
Q
Q
Q
Q
Q
Q
Q
INTOSC
BLOCK DIAGRAM OF RA5
Mode
© 2008 Microchip Technology Inc.
OSC2
INTOSC
Mode
RD PORTA
Q
Q
Q
RAPU
Oscillator
Circuit
CLK modes
EN
EN
EN
D
D
D
Q1
V
(1)
DD
Weak
V
V
DD
SS
Q3
I/O pin
(2)