UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 267
UPD78F0034BGC-8BS-A
Manufacturer Part Number
UPD78F0034BGC-8BS-A
Description
MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
Manufacturer
Renesas Electronics America
Datasheet
1.UPD78F0034BGK-9ET-A.pdf
(605 pages)
Specifications of UPD78F0034BGC-8BS-A
Package
64LQFP
Family Name
78K0
Maximum Speed
12 MHz
Ram Size
1 KB
Program Memory Size
32 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
51
Interface Type
3-Wire/UART
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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13.4.2 Input voltage and conversion results
A/D conversion result (stored in A/D conversion result register 0 (ADCR0)) is shown by the following expression.
The relationship between the analog input voltage input to the analog input pins (ANI0 to ANI7) and the theoretical
or
where, INT( ):
Figure 13-5 shows the relationship between the analog input voltage and the A/D conversion result.
ADCR0 = INT (
(ADCR0 – 0.5)
Figure 13-5. Relationship Between Analog Input Voltage and A/D Conversion Result
V
AV
ADCR0: A/D conversion result register 0 (ADCR0) value
IN
A/D conversion result
:
REF
:
CHAPTER 13 8-BIT A/D CONVERTER ( PD780024A, 780024AY SUBSERIES)
Function which returns integer part of value in parentheses
Analog input voltage
AV
AV
AV
V
256
REF
(ADCR0)
REF
IN
REF
pin voltage
256 + 0.5)
V
IN
255
254
253
< (ADCR0 + 0.5)
3
2
1
0
512
1
User’s Manual U14046EJ5V0UD
256
1
512
3
256
2
AV
256
512
REF
5
Input voltage/AV
256
3
507
512
REF
254
256
509
512
255
256
511
512
1
265
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