UPD78F1142AGA-HAB-AX Renesas Electronics America, UPD78F1142AGA-HAB-AX Datasheet - Page 332
![no-image](/images/manufacturer_photos/0/5/560/renesas_electronics_america_sml.jpg)
UPD78F1142AGA-HAB-AX
Manufacturer Part Number
UPD78F1142AGA-HAB-AX
Description
MCU 16BIT 78K0R/KX3 64-TQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AGA-HAB-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
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1142AGA-HAB-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(6) ANI0/P20 to ANI7/P27
(7) Input impedance of ANI0 to ANI7 pins
(8) AV
330
<1> The analog input pins (ANI0 to ANI7) are also used as input port pins (P20 to P27).
<2> If a digital pulse is applied to the pins adjacent to the pins currently used for A/D conversion, the expected
This A/D converter charges a sampling capacitor for sampling during sampling time.
Therefore, only a leakage current flows when sampling is not in progress, and a current that charges the
capacitor flows during sampling. Consequently, the input impedance fluctuates depending on whether sampling
is in progress, and on the other states.
To make sure that sampling is effective, however, it is recommended to keep the output impedance of the analog
input source to within 10 kΩ, and to connect a capacitor of about 100 pF to the ANI0 to ANI7 pins (see Figure 10-
26).
A series resistor string of several tens of kΩ is connected between the AV
Therefore, if the output impedance of the reference voltage source is high, this will result in a series connection to
the series resistor string between the AV
REF
When A/D conversion is performed with any of ANI0 to ANI7 selected, do not access P20 to P27 while
conversion is in progress; otherwise the conversion resolution may be degraded. It is recommended to
select pins used as P20 to P27 starting with the ANI0/P20 that is the furthest from AV
value of the A/D conversion may not be obtained due to coupling noise. Therefore, do not apply a pulse to
the pins adjacent to the pin undergoing A/D conversion.
pin input impedance
CHAPTER 10 A/D CONVERTER
REF
User’s Manual U17854EJ9V0UD
and AV
SS
pins, resulting in a large reference voltage error.
REF
and AV
SS
pins.
REF
.
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