PIC16F785-I/SO Microchip Technology, PIC16F785-I/SO Datasheet - Page 79

• 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

12.0
The analog-to-digital converter (A/D) allows conversion
of an analog input signal to a 10-bit binary representa-
tion of that signal. The PIC16F785 has twelve analog
I/O inputs, plus two internal inputs, multiplexed into one
sample and hold circuit. The output of the sample and
FIGURE 12-1:
 2004 Microchip Technology Inc.
RA1/AN1/C12IN0-/V
RA4/AN3/T1G/OSC2/CLKOUT
RA2/AN2/T0CKI/INT/C1OUT
RA0/AN0/C1IN+/ICSPDAT
ANALOG-TO-DIGITAL
CONVERTER (A/D) MODULE
RC2/AN6/C12IN2-/OP2
RC3/AN7/C12IN3-/OP1
RC1/AN5/C12IN1-/PH1
RB5/AN11/OP2+
RC0/AN4/C2IN+
RB4/AN10/OP2-
RC7/AN9/OP1+
RC6/AN8/OP1-
REF
A/D BLOCK DIAGRAM
/ICSPCLK
CV
REF
VR
CHS<3:0>
V
REF
13
0
Preliminary
V
DD
GO/DONE
Note 1: When ADON = ‘0’ all input channels are disconnected from
ADON
VCFG = 0
VCFG = 1
(1)
hold is connected to the input of the converter. The con-
verter generates a binary result via successive approx-
imation and stores the result in a 10-bit register. The
voltage reference used in the conversion is software
selectable to either V
V
A/D on the PIC16F785.
ADC (no loading).
V
REF
SS
A/D
pin. Figure 12-1 shows the block diagram of the
ADFM
ADRESH ADRESL
DD
or a voltage applied by the
PIC16F785
10
10
DS41249A-page 77