PIC16F785-I/SO Microchip Technology, PIC16F785-I/SO Datasheet - Page 40

• Manufacturer Part Number: PIC16F785-I/SO
• Description: IC PIC MCU FLASH 2KX14 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F785-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 20-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• 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 ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: RS- 232/USB
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SO1-1 - SOCKET TRANS ICE 20DIP TO 20SOICXLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILAC162060 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOIC
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F785
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:
• a general purpose I/O
• an analog input for the A/D
• a TMR1 gate input
• a crystal/resonator connection
• a clock output
FIGURE 4-5:
DS41249A-page 38
DATA BUS
INTERRUPT-ON-
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
Note 1: CLK modes are XT, HS, LP, LPTMR1 and CLKOUT
WR
WR
WR
WR
RD
RD
RD
RD
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
ANS3
OSC1
CLKOUT
ENABLE
RD PORTA
F
OSC
INTOSC/
RC/EC
Q
Q
Q
OSCILLATOR
/4
CLKOUT
ENABLE
RAPU
ANS3
CIRCUIT
MODES
(2)
EN
EN
EN
1
0
CLK
D
D
D
(1)
Q1
V
DD
WEAK
V
V
Q3
DD
SS
I/O PIN
Preliminary
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:
• a general purpose I/O
• a TMR1 clock input
• a crystal/resonator connection
• a clock input
FIGURE 4-6:
DATA BUS
INTERRUPT-ON-
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
WR
WR
WR
WR
RD
RD
RD
RD
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
 2004 Microchip Technology Inc.
OSC2
INTOSC
MODE
RD PORTA
OSCILLATOR
Q
Q
Q
RAPU
CIRCUIT
CLK MODES
EN
EN
EN
D
D
D
Q1
V
DD
WEAK
(1)
V
V
DD
SS
Q3
I/O PIN
(2)