UPD78F1142AGB-GAH-AX Renesas Electronics America, UPD78F1142AGB-GAH-AX Datasheet - Page 326
UPD78F1142AGB-GAH-AX
Manufacturer Part Number
UPD78F1142AGB-GAH-AX
Description
MCU 16BIT 78K0R/KX3 64-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AGB-GAH-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
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Quantity
Price
Company:
Part Number:
UPD78F1142AGB-GAH-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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<Obtaining temperature T
<14> Calculate the temperature by using either of the following methods.
<Finishing A/D conversion>
<15> Clear ADCS to 0.
<16> Clear ADCE to 0.
<17> Clear bit 5 (ADCEN) of peripheral enable register 0 (PER0) to 0.
T
NOW
• When obtaining a temperature through calculation
• When obtaining a temperature through table reference
Cautions 1. Make sure the period of <2> to <5> is 1
During measurement at reference temperatures, write ADT0 and ADT1 to the internal flash memory
by means such as self programming. During actual measurement, calculate the current temperature
T
Measure and calculate the temperature sensor detection values (ADT0/ADT1 × 256) based on ADT0
and ADT1 at each temperature interval. Set the temperature corresponding to that value as table
data, and write it to the internal flash memory by means such as self programming.
During actual measurement, calculate the temperature sensor detection value (ADT0/ADT1 × 256)
based on ADT0 and ADT1 at that time, compare it with the value of table data, and obtain the current
temperature T
NOW
≅
ADT1
by using the following expression, based on ADT0 and ADT1 at that time.
2. <2> can be done between <3> and <4>.
3. The period from <7> to <10> differs from the conversion time set using bits 5 to 1
4. Do not change the AV
BASE2
the result of the third and later conversion becomes valid on the sensor 0 side.
(FR2 to FR0, LV1, LV0) of ADM. The period from <9> to <10> is the conversion time
set using FR2 to FR0, LV1, and LV0.
sensor detection value does not depend on the AV
problem even if the AV
must be stable during a measurement cycle (from <4> to <13>).
ADT1
NOW
× (ADT1
NOW
.
NOW
>
× (ADT1
BASE1
CHAPTER 10 A/D CONVERTER
User’s Manual U17854EJ9V0UD
× ADT0
BASE1
REF
NOW
× ADT0
REF
voltage during <4> to <13>. Although the temperature
− ADT0
voltage varies at every temperature measurement, it
BASE2
BASE1
− ADT0
μ
× ADT1
s or more. If ADCS is set to 1 within 1
BASE1
NOW
× ADT1
) × (T
REF
voltage and thus there is no
BASE2
BASE2
)
− T
BASE1
)
+ T
BASE1
μ
s,
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