PIC18F2321-I/SP Microchip Technology, PIC18F2321-I/SP Datasheet - Page 366

• Manufacturer Part Number: PIC18F2321-I/SP
• Description: IC PIC MCU FLASH 4KX16 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2321-I/SP

• Program Memory Type: FLASH
• Program Memory Size: 8KB (4K x 16)
• Package / Case: 28-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• 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, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE4000, ICE2000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10-ch x 10-bit
• Package: 28SPDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Height: 3.3 mm
• Length: 34.67 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.2 V
• Width: 7.24 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F4321 FAMILY
FIGURE 26-23:
TABLE 26-25: A/D CONVERSION REQUIREMENTS
DS39689E-page 364
130
131
132
135
136
Legend: TBD = To Be Determined
Note 1:
Param
No.
A/D CLK
Note 1:
2:
3:
4:
A/D DATA
SAMPLE
T
T
T
T
T
ADRES
Symbol
AD
CNV
ACQ
SWC
BSF ADCON0, GO
DIS
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 (V
On the following cycle of the device clock.
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)
Acquisition Time
Switching Time from Convert → Sample
Discharge Time
132
A/D CONVERSION TIMING
(Note 2)
Characteristic
DD
(3)
9
to V
SS
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
8
or V
OLD_DATA
SS
(2)
7
Preliminary
to V
. . .
SAMPLING STOPPED
DD
CY
). The source impedance (R
CY
is added before the A/D clock starts.
cycle.
. . .
131
130
TBD
TBD
TBD
Min
0.7
1.4
1.4
0.2
11
—
2
(Note 4)
25.0
25.0
Max
12
—
—
—
1
3
(1)
(1)
1
Units
T
μs
μs
μs
μs
μs
μs
μs
AD
S
© 2007 Microchip Technology Inc.
) on the input channels is 50Ω.
0
T
V
T
A/D RC mode
V
-40°C to +85°C
0°C ≤ to ≤ +85°C
OSC
OSC
DD
DD
AD
= 2.0V;
= 2.0V; A/D RC mode
based, V
based, V
clock divider.
NEW_DATA
DONE
Conditions
T
CY
REF
REF
≥ 3.0V
full range