PIC16F785-E/SS Microchip Technology, PIC16F785-E/SS Datasheet - Page 162

• 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
FIGURE 19-9:
TABLE 19-16: PIC16F785/HV785 A/D CONVERSION REQUIREMENTS
DS41249E-page 160
130
130
131
132
134
Note 1:
Param
No.
Note 1:
A/D DATA
2:
SAMPLE
A/D CLK
*
†
BSF ADCON0, GO
ADRES
T
T
T
T
T
ADIF
AD
AD
CNV
ACQ
GO
These parameters are characterized but not tested.
Data in ‘Typ’ column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
ADRESH and ADRESL registers may be read on the following T
See Section 12.2 “A/D Acquisition Requirements” for minimum conditions.
Sym
GO
Q4
If the A/D clock source is selected as RC, a time of T
SLEEP instruction to be executed.
134
A/D Clock Period
A/D Internal RC
Oscillator Period
Conversion Time (not
including
Acquisition Time)
Acquisition Time
Q4 to A/D Clock Start
132
Characteristic
PIC16F785/HV785 A/D CONVERSION TIMING (NORMAL MODE)
(1)
(T
OSC
/2)
(Note 2)
(1)
Min
3.0*
3.0*
2.0*
9
1.6
—
5*
—
OLD_DATA
8
T
Typ†
OSC
11.5
6.0
4.0
SAMPLING STOPPED
—
—
11
—
131
7
/2
CY
6
is added before the A/D clock starts. This allows the
Max
130
6.0*
9.0*
—
—
—
—
—
—
CY
3
cycle.
Units
T
μs
μs
μs
μs
μs
μs
—
AD
2
T
T
ADCS<1:0> = 11 (RC mode)
At V
At V
Set GO bit to new data in A/D result
register
The minimum time is the amplifier settling
time. This may be used if the “new” input
voltage has not changed by more than 1
LSb (i.e., 4.1 mV @ 4.096V) from the last
sampled voltage (as stored on C
If the A/D clock source is selected as
RC, a time of T
A/D clock starts. This allows the SLEEP
instruction to be executed.
OSC
OSC
1
DD
DD
-based, V
-based, V
© 2008 Microchip Technology Inc.
= 2.5V
= 5.0V
0
Conditions
REF
REF
CY
is added before the
NEW_DATA
≥ 3.0V
full range
DONE
1 T
CY
1 T
CY
HOLD
).