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- Integrated Circuits (ICs)/
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PIC16C74-04/L
PIC16C74-04/L | |
|---|---|
| Manufacturer Part Number | PIC16C74-04/L |
| Description | MICRO CTRL 4K 4MHZ OTP 44PLCC |
| Manufacturer | Microchip Technology |
| Series | PIC® 16C |
| PIC16C74-04/L datasheets |
|
Availability: By request
International delivery:
Warranty: 60 days
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Specifications of PIC16C74-04/L | |||
|---|---|---|---|
| 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 | 44-PLCC |
| For Use With | DVA16XL441 - ADAPTER DEVICE ICE 44PLCC | Lead Free Status / RoHS Status | Request inventory verification / Request inventory verification |
| Eeprom Size | - | ||
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PrevNext
PIC16C7X
13.4
A/D Conversions
Applicable Devices
72 73 73A 74 74A 76 77
Example 13-2 shows how to perform an A/D conver-
sion. The RA pins are configured as analog inputs. The
analog reference (V
) is the device V
REF
interrupt is enabled, and the A/D conversion clock is
F
. The conversion is performed on the RA0 pin
RC
(channel 0).
EXAMPLE 13-2: A/D CONVERSION
BSF
STATUS, RP0
BCF
STATUS, RP1
CLRF
ADCON1
BSF
PIE1,
ADIE
BCF
STATUS, RP0
MOVLW
0xC1
MOVWF
ADCON0
BCF
PIR1,
ADIF
BSF
INTCON, PEIE
BSF
INTCON, GIE
;
;
Ensure that the required sampling time for the selected input channel has elapsed.
;
Then the conversion may be started.
;
BSF
ADCON0, GO
:
:
DS30390E-page 122
Note:
The GO/DONE bit should NOT be set in
the same instruction that turns on the A/D.
Clearing the GO/DONE bit during a conversion will
abort the current conversion. The ADRES register will
. The A/D
DD
NOT be updated with the partially completed A/D con-
version sample. That is, the ADRES register will con-
tinue to contain the value of the last completed
conversion (or the last value written to the ADRES reg-
ister). After the A/D conversion is aborted, a 2T
is required before the next acquisition is started. After
this 2T
wait, an acquisition is automatically started on
AD
the selected channel.
; Select Bank 1
; PIC16C76/77 only
; Configure A/D inputs
; Enable A/D interrupts
; Select Bank 0
; RC Clock, A/D is on, Channel 0 is selected
;
; Clear A/D interrupt flag bit
; Enable peripheral interrupts
; Enable all interrupts
; Start A/D Conversion
; The ADIF bit will be set and the GO/DONE bit
;
is cleared upon completion of the A/D Conversion.
wait
AD
1997 Microchip Technology Inc.
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