UPD78F0552MA-FAA-AX Renesas Electronics America, UPD78F0552MA-FAA-AX Datasheet - Page 444
UPD78F0552MA-FAA-AX
Manufacturer Part Number
UPD78F0552MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0552MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 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
-
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- Download datasheet (6Mb)
78K0/Kx2-L
12.6 Cautions for A/D Converter
(1) Operating current in STOP mode
(2) Input range of ANI0 to ANI10
(3) Conflicting operations
(4) Noise countermeasures
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
To satisfy the DC characteristics of the power supply current in STOP mode, clear bits 7 (ADCS) and 0 (ADCE) of A/D
converter mode register 0 (ADM0) to 0 before executing a STOP instruction.
To restart from the standby status, clear bit 0 (ADIF) of interrupt request flag register 1L (IF1L) to 0 and start
operation.
Observe the rated range of the ANI0 to ANI10 input voltage. If a voltage of AV
in the range of absolute maximum ratings) is input to an analog input channel, the converted value of that channel
becomes undefined. In addition, the converted values of the other channels may also be affected.
<1> Conflict between A/D conversion result register (ADCR, ADCRL, ADCRH) write and ADCR, ADCRL, or ADCRH
<2> Conflict between ADCR, ADCRL, or ADCRH write and A/D converter mode register 0 (ADM0) write, analog
To maintain the 10-bit resolution, attention must be paid to noise input to the AV
<1> Connect a capacitor with a low equivalent resistance and a good frequency response to the power supply.
<2> The higher the output impedance of the analog input source, the greater the influence. To reduce the noise,
<3> Do not switch these pins with other pins during conversion.
<4> The accuracy is improved if the HALT mode is set immediately after the start of conversion.
read by instruction upon the end of conversion
ADCR, ADCRL, or ADCRH read has priority. After the read operation, the new conversion result is written to
ADCR, ADCRL, or ADCRH.
input channel specification register (ADS), or A/D port configuration registers 0, 1 (ADPC0, ADPC1) write upon
the end of conversion
ADM0, ADS, ADPC0, or ADPC1 write has priority. ADCR, ADCRL, or ADCRH write is not performed, nor is the
conversion end interrupt signal (INTAD) generated.
connecting external C as shown in Figure 12-22 is recommended.
CHAPTER 12 A/D CONVERTER
REF
REF
pin and pins ANI0 to ANI10.
or higher and AV
SS
or lower (even
430
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