UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 162

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UPD78F9212CS-CAB-A

Manufacturer Part Number
UPD78F9212CS-CAB-A
Description
MCU 8BIT 4KB FLASH 16PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet

Specifications of UPD78F9212CS-CAB-A

Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
(5) Successive approximation register (SAR)
(6) 10-bit A/D conversion result register (ADCR)
(7) 8-bit A/D conversion result register (ADCRH)
(8) Controller
(9) V
(10) V
(11) A/D converter mode register (ADM)
(12) Analog input channel specification register (ADS)
(13) Port mode control register 2 (PMC2)
160
This register compares the sampled analog voltage and the voltage of the D/A converter, and converts the result,
starting from the most significant bit (MSB).
When the voltage value is converted into a digital value down to the least significant bit (LSB) (end of A/D
conversion), the contents of the SAR register are transferred to the A/D conversion result register (ADCR).
The result of A/D conversion is loaded from the successive approximation register to this register each time A/D
conversion is completed, and the ADCR register holds the result of A/D conversion in its lower 10 bits (the higher
6 bits are fixed to 0).
The result of A/D conversion is loaded from the successive approximation register to this register each time A/D
conversion is completed, and the ADCRH register holds the result of A/D conversion in its higher 8 bits.
When A/D conversion has been completed, INTAD is generated.
This is the positive power supply pin.
In the 78K0S/KY1+, V
converter, stabilize V
This is the ground potential pin.
In the 78K0S/KY1+, V
V
This register is used to set the conversion time of the analog input signal to be converted, and to start or stop the
conversion operation.
This register is used to specify the port that inputs the analog voltage to be converted into a digital signal.
This register is used when the P20/ANI0/TI000/TOH1, P21/ANI1/TI010/TO00/INTP0, P22/ANI2, and P23/ANI3
pins are used as the analog input pins of the A/D converter.
DD
SS
SS
pin
to a stabilized GND (= 0 V).
pin
DD
DD
SS
at the supply voltage used (2.7 to 5.5 V).
functions alternately as the A/D converter reference voltage input. When using the A/D
functions alternately as the ground potential of the A/D converter. Be sure to connect
CHAPTER 9 A/D CONVERTER ( PD78F921x ONLY)
User’s Manual U16994EJ6V0UD

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