PIC17C756-33I/L Microchip Technology, PIC17C756-33I/L Datasheet - Page 172
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PIC17C756-33I/L
Manufacturer Part Number
PIC17C756-33I/L
Description
MICRO CTRL 16K MEMORY OTP 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C752-16L.pdf
(304 pages)
3.PIC17C752-16L.pdf
(4 pages)
4.PIC17C752-16L.pdf
(6 pages)
5.PIC17C756CL.pdf
(321 pages)
Specifications of PIC17C756-33I/L
Core Processor
PIC
Core Size
8-Bit
Speed
33MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
32KB (16K x 16)
Program Memory Type
OTP
Ram Size
902 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
68-PLCC
For Use With
AC164308 - MODULE SKT FOR PM3 68PLCCDVA17XL681 - DEVICE ADAPTER FOR PIC17C752DM173001 - KIT DEVELOPMENT PICDEM17AC174007 - MODULE SKT PROMATEII 68PLCCAC164024 - ADAPTER PICSTART PLUS 68PLCC
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
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Part Number
Manufacturer
Quantity
Price
Part Number:
PIC17C756-33I/L
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC17C752-16L PDF datasheet #2
- PIC17C752-16L PDF datasheet #3
- PIC17C752-16L PDF datasheet #4
- PIC17C756CL PDF datasheet #5
- Current page: 172 of 321
- Download datasheet (3Mb)
16.3
The ADCON1, and DDR registers control the operation
of the A/D port pins. The port pins that are desired as
analog inputs must have their corresponding DDR bits
set (input). If the DDR bit is cleared (output), the digital
output level (V
The A/D operation is independent of the state of the
CHS2:CHS0 bits and the DDR bits.
EXAMPLE 16-2: A/D CONVERSION
DS30264A-page 172
;
;
;
;
Note 1: When reading the port register, any pin
Note 2: Analog levels on any pin that is defined as
Ensure that the required sampling time for the selected input channel has elapsed.
Then the conversion may be started.
MOVLB
CLRF
MOVLW
MOVWF
MOVLB
BCF
BSF
BSF
BCF
MOVLB
BSF
Configuring Analog Port Pins
:
:
configured as an analog input channel will
read as cleared (a low level). Pins config-
ured as digital inputs, will convert an ana-
log input. Analog levels on a digitally
configured input will not affect the conver-
sion accuracy.
a digital input (including the AN11:AN0
pins), may cause the input buffer to con-
sume current that is out of the devices
specification.
OH
5
ADCON1, F
0xC1
ADCON0
4
PIR2, ADIF
PIE2, ADIE
INTSTA, PEIE
CPUSTA, GLINTD
5
ADCON0, GO
or V
OL
) will be converted.
; Bank 5
; Configure A/D inputs
; RC Clock, A/D is on, Channel 0 is selected
;
; Bank 4
; Clear A/D interrupt flag bit
; Enable A/D interrupts
; Enable peripheral interrupts
; Enable all interrupts
; Bank 5
; Start A/D Conversion
;
;
The ADIF bit will be set and the GO/DONE bit
is cleared upon completion of the A/D Conversion
Preliminary
16.4
Example 16-2 shows how to perform an A/D conver-
sion. The PORTF and lower four PORTG pins are con-
figured as analog inputs. The analog references
(V
A/D interrupt is enabled, and the A/D conversion clock
is F
pin (channel 0).
Clearing the GO/DONE bit during a conversion will
abort the current conversion. The A/D result register
pair will NOT be updated with the partially completed
A/D
ADRESH:ADRESL registers will continue to contain
the value of the last completed conversion (or the last
value written to the ADRESH:ADRESL registers). After
the A/D conversion is aborted, a 2T
before the next acquisition is started. After this 2T
wait, acquisition on the selected channel is automati-
cally started.
REF
Note:
RC
+ and V
. The conversion is performed on the RG3/AN0
conversion
A/D Conversions
The GO/DONE bit should NOT be set in
the same instruction that turns on the A/D.
REF
-) are the device AV
sample.
1997 Microchip Technology Inc.
That
AD
DD
wait is required
and AV
is,
SS
. The
the
AD
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