PIC17LC752T-08/L Microchip Technology, PIC17LC752T-08/L Datasheet - Page 188
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PIC17LC752T-08/L
Manufacturer Part Number
PIC17LC752T-08/L
Description
IC MCU OTP 8KX16 A/D 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Specifications of PIC17LC752T-08/L
Core Processor
PIC
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
16KB (8K x 16)
Program Memory Type
OTP
Ram Size
678 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
PIC17LC752T-08/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC17C7XX
16.4.1
The ADRESH:ADRESL register pair is the location
where the 10-bit A/D result is loaded at the completion
of the A/D conversion. This register pair is 16-bits wide.
The A/D module gives the flexibility to left or right justify
the 10-bit result in the 16-bit result register. The A/D
Format Select bit (ADFM) controls this justification.
Figure 16-6 shows the operation of the A/D result justi-
fication. The extra bits are loaded with ’0’s’. When an A/
D result will not overwrite these locations (A/D disable),
these registers may be used as two general purpose 8-
bit registers.
16.5
The A/D module can operate during SLEEP mode. This
requires that the A/D clock source be set to RC
(ADCS1:ADCS0 = 11). When the RC clock source is
selected, the A/D module waits one instruction cycle
before starting the conversion. This allows the SLEEP
instruction to be executed, which eliminates all digital
switching noise from the conversion. When the conver-
sion is completed, the GO/DONE bit will be cleared,
and the result loaded into the ADRES register. If the A/
D interrupt is enabled, the device will wake-up from
FIGURE 16-6:
DS30289B-page 188
A/D Operation During SLEEP
A/D RESULT REGISTERS
7
0000 00
ADRESH
A/D RESULT JUSTIFICATION
Right Justified
2 1 0 7
ADFM = 1
RESULT
10-bits
ADRESL
0
10-Bit Result
SLEEP. If the A/D interrupt is not enabled, the A/D mod-
ule will then be turned off, although the ADON bit will
remain set.
When the A/D clock source is another clock option (not
RC), a SLEEP instruction will cause the present conver-
sion to be aborted and the A/D module to be turned off,
though the ADON bit will remain set.
Turning off the A/D places the A/D module in its lowest
current consumption state.
16.6
A device RESET forces all registers to their RESET
state. This forces the A/D module to be turned off, and
any conversion is aborted.
The value that is in the ADRESH:ADRESL registers is
not
ADRESH:ADRESL registers will contain unknown data
after a Power-on Reset.
Note:
7
modified
ADRESH
Effects of a RESET
RESULT
For the A/D module to operate in SLEEP,
the A/D clock source must be set to RC
(ADCS1:ADCS0 = 11). To allow the con-
version to occur during SLEEP, ensure the
SLEEP instruction immediately follows the
instruction that sets the GO/DONE bit.
10-bits
ADFM = 0
for
Left Justified
0 7 6 5
a
ADRESL
2000 Microchip Technology Inc.
0000 00
Power-on
0
Reset.
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