PIC16C71-20/SO Microchip Technology, PIC16C71-20/SO Datasheet - Page 45

• Manufacturer Part Number: PIC16C71-20/SO
• Description: IC MCU OTP 1KX14 A/D 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C71-20/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: OTP
• Ram Size: 36 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 4x8b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-SOIC (7.5mm Width)
• For Use With: XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MIL309-1011 - ADAPTER 18-SOIC TO 18-DIP309-1010 - ADAPTER 18-SOIC TO 18-DIPAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -

7.9
The ideal transfer function of the A/D converter is as fol-
lows: the first transition occurs when the analog input
voltage (V
7.10
A very good reference for understanding A/D convert-
ers is the "Analog-Digital Conversion Handbook" third
edition, published by Prentice Hall (ISBN 0-13-03-
2848-0).
FIGURE 7-7:
1997 Microchip Technology Inc.
Transfer Function
References
AIN
) is Analog V
Selected Channel
Finish Conversion
A/D Clock
ADON = 0?
Wait 2 T
ADIF = 1
ADON = 0
GO = 0?
Device in
SLEEP?
FLOWCHART OF A/D OPERATION
Acquire
= RC?
GO = 0
No
No
No
No
AD
Yes
Yes
Yes
Yes
REF
/256 (Figure 7-6).
Conversion Delayed
1 Instruction Cycle
Abort Conversion
Power-down A/D
Start of A/D
ADIF = 0
GO = 0
SLEEP
Finish Conversion
Instruction?
Wait 2 T
ADIF = 1
SLEEP
GO = 0
No
AD
FIGURE 7-6:
Yes
FEh
FFh
04h
03h
02h
01h
00h
Finish Conversion
Power-down A/D
From Sleep?
Stay in Sleep
ADIF = 1
Wake-up
GO = 0
No
A/D TRANSFER FUNCTION
Yes
Analog input voltage
PIC16C71X
Wait 2 T
AD
DS30272A-page 45