UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 291
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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(2) A/D conversion by software start
A/D conversion
Remarks 1. n = 0, 1, ......, 7
When bit 6 (TRG0) and bit 7 (ADCS0) of A/D converter mode register 0 (ADM0) are set to 0 and 1, respectively,
A/D conversion of the voltage applied to the analog input pin specified by analog input channel specification
register 0 (ADS0) starts.
Upon the end of the A/D conversion, the conversion result is stored in A/D conversion result register 0 (ADCR0),
and the interrupt request signal (INTAD0) is generated. After one A/D conversion operation is started and ended,
the next conversion operation is immediately started. A/D conversion operations are repeated until new data
is written to ADS0.
If ADS0 is rewritten during A/D conversion, the converter suspends A/D conversion and A/D conversion of the
new selected analog input channel is started.
If 1 is written to ADCS0 again during A/D conversion, the A/D conversion in progress is discontinued and a new
A/D conversion is started.
If 0 is written to ADCS0 during A/D conversion, the A/D conversion operation stops immediately.
INTAD0
ADCR0
2. m = 0, 1, ......, 7
CHAPTER 14 10-BIT A/D CONVERTER ( PD780034A, 780034AY SUBSERIES)
ADM0 set
ADCS0 = 1, TRG0 = 0
Figure 14-8. A/D Conversion by Software Start
ANIn
User’s Manual U14046EJ5V0UD
ANIn
ANIn
Conversion suspended;
Conversion results are not stored
ANIn
ANIn
ADS0 rewrite
Undefined
ANIm
ANIm
ADCS0 = 0
ANIm
Stop
289
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