PIC16C74-04/P Microchip Technology, PIC16C74-04/P Datasheet - Page 239

• Manufacturer Part Number: PIC16C74-04/P
• Description: MICRO CTRL 4K 4MHZ OTP 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C74-04/P

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 8x8b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Eeprom Size: -

FIGURE 20-17: A/D CONVERSION TIMING
TABLE 20-14: A/D CONVERSION REQUIREMENTS
Note 1: ADRES register may be read on the following T
Param
1997 Microchip Technology Inc.
130
131
132
134
135
No.
Note 1: If the A/D clock source is selected as RC, a time of T
*
†
§
2: See Section 13.1 for min conditions.
A/D DATA
SAMPLE
A/D CLK
T
T
T
ADRES
Sym Characteristic
T
T
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25 C unless otherwise stated. These parameters are for design guidance only and are not
tested.
This specification ensured by design.
BSF ADCON0, GO
SWC
CNV
ACQ
GO
AD
ADIF
GO
Q4
SLEEP instruction to be executed.
A/D clock period
Conversion time (not including S/H time)
(Note 1)
Acquisition time
Q4 to A/D clock start
Switching from convert
134
132
(T
OSC
/2)
PIC16C76/77
PIC16LC76/77
PIC16C76/77
PIC16LC76/77
7
sample time
(1)
6
OLD_DATA
CY
5
Note 2
1.5 §
Min
cycle.
1.6
2.0
2.0
3.0
—
—
5*
SAMPLING STOPPED
4
CY
T
Applicable Devices 72 73 73A 74 74A 76 77
OSC
131
130
Typ†
is added before the A/D clock starts. This allows the
4.0
6.0
9.5
20
—
—
—
—
/2 §
3
Max
6.0
9.0
—
—
—
—
—
—
2
—
Units
1
T
T
—
AD
AD
s
s
s
s
s
s
T
T
A/D RC Mode
A/D RC Mode
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.,
20.0 mV @ 5.12V) from the last
sampled voltage (as stated on
C
If the A/D clock source is selected
as RC, a time of T
before the A/D clock starts. This
allows the SLEEP instruction to be
executed.
1 Tcy
0
OSC
OSC
HOLD
PIC16C7X
based, V
based, V
).
NEW_DATA
DONE
Conditions
DS30390E-page 239
REF
REF
CY
full range
3.0V
is added