PIC18F4680-H/P Microchip Technology, PIC18F4680-H/P Datasheet - Page 452
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F4680-H/P
Manufacturer Part Number
PIC18F4680-H/P
Description
IC MCU 8BIT 64KB FLASH 44PDIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheet
1.PIC18F4585-IPT.pdf
(482 pages)
Specifications of PIC18F4680-H/P
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 150°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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PIC18F2585/2680/4585/4680
FIGURE 27-22:
TABLE 27-25: A/D CONVERSION REQUIREMENTS
DS39625C-page 450
130
131
132
135
136
Note 1:
Param
No.
A/D CLK
Note 1:
2:
3:
4:
5:
A/D DATA
SAMPLE
T
T
T
T
T
ADRES
Symbol
BSF ADCON0, GO
AD
CNV
ACQ
SWC
AMP
ADIF
The time of the A/D clock period is dependent on the device frequency and the T
ADRES register may be read on the following T
The time for the holding capacitor to acquire the “New” input voltage when the voltage changes full scale
after the conversion (AV
50Ω.
On the following cycle of the device clock.
See Section 19.0 “10-Bit Analog-to-Digital Converter (A/D) Module” for minimum conditions when input
voltage has changed more than 1 LSb.
GO
2:
Q4
(1)
If the A/D clock source is selected as RC, a time of T
This allows the SLEEP instruction to be executed.
This is a minimal RC delay (typically 100 ns), which also disconnects the holding capacitor from the analog input.
A/D Clock Period
Conversion Time
(not including acquisition time) (Note 2)
Acquisition Time (Note 3)
Switching Time from Convert → Sample
Amplifier Settling Time (Note 5)
132
A/D CONVERSION TIMING
Characteristic
(Note 2)
DD
9
to AV
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
8
SS
OLD_DATA
or AV
7
Preliminary
SS
. . .
to AV
SAMPLING STOPPED
CY
CY
is added before the A/D clock starts.
Min
0.7
1.4
1.4
—
—
11
—
DD
1
cycle.
. . .
131
130
). The source impedance ( R
(Note 4)
25.0
25.0
Max
12
2
—
—
1
3
(1)
(1)
1
Units
T
μs
μs
μs
μs
μs
μs
AD
T
V
T
A/D RC mode
V
-40°C to +85°C
This may be used if the “new” input
voltage has not changed by more
than 1 LSb (i.e., 5 mV @ 5.12V)
from the last sampled voltage (as
stated on C
OSC
OSC
DD
DD
© 2007 Microchip Technology Inc.
0
= 2.0V;
= 2.0V; A/D RC mode
based, V
based, V
S
AD
) on the input channels is
clock divider.
Conditions
HOLD
NEW_DATA
DONE
REF
REF
).
T
≥ 3.0V
full range
CY
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