UPD78F9200MA-CAC-A Renesas Electronics America, UPD78F9200MA-CAC-A Datasheet - Page 161
UPD78F9200MA-CAC-A
Manufacturer Part Number
UPD78F9200MA-CAC-A
Description
MCU 8BIT 1KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9200MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9200MA-CAC-A
Package / Case
*
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
7
Core Processor
78K0S
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
1KB (1K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9200MA-CAC-A
Manufacturer:
NEC
Quantity:
20 000
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9.2
(1) ANI0 to ANI3 pins
(2) Sample & hold circuit
(3) D/A converter
(4) Voltage comparator
ANI1/P21/TI010/
ANI0/P20/TI000
Figure 9-2 shows the block diagram of A/D converter.
ANI2/X2/P22
ANI3/X1/P23
Cautions 1. In PD78F920x, V
The A/D converter consists of the following hardware.
TO00/INTP0
Analog input
channel specification
register (ADS)
These are the analog input pins of the 4-channel A/D converter. They input analog signals to be converted into
digital signals. Pins other than the one selected as the analog input pin by the analog input channel specification
register (ADS) can be used as I/O port pins.
The sample & hold circuit samples the input signal of the analog input pin selected by the selector when A/D
conversion is started, and holds the sampled analog input voltage value during A/D conversion.
The D/A converter is connected between V
input signal.
The voltage comparator compares the sampled analog input voltage and the output voltage of the D/A converter.
Configuration of A/D Converter
TOH1
2. In PD78F920x, V
ADS1
sure to connect V
using the A/D converter, stabilize V
2
ADS0
ADCS
CHAPTER 9 A/D CONVERTER ( PD78F920x ONLY)
Figure 9-2. Block Diagram of A/D Converter
DD
SS
SS
Sample & hold circuit
FR2
to a stabilized GND (= 0 V).
functions alternately as the A/D converter reference voltage input. When
functions alternately as the ground potential of the A/D converter. Be
Internal bus
FR1
User’s Manual U18172EJ3V0UD
V
3
SS
DD
A/D converter mode
register (ADM)
FR0
and V
DD
ADCE
SS
at the supply voltage used (2.7 to 5.5 V).
Controller
, and generates a voltage to be compared with the analog
Voltage comparator
register (SAR)
approximation
Successive
A/D conversion result register
(ADCR, ADCRH)
D/A converter
INTAD
159
V
V
DD
SS
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