UPD78F0552MA-FAA-AX Renesas Electronics America, UPD78F0552MA-FAA-AX Datasheet - Page 419
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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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78K0/Kx2-L
12.3 Registers Used in A/D Converter
(1) A/D converter mode register 0 (ADM0)
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
The A/D converter uses the following seven registers.
• A/D converter mode register 0 (ADM0)
• 10-bit A/D conversion result register (ADCR)
• 8-bit A/D conversion result register L (ADCRL)
• 8-bit A/D conversion result register H (ADCRH)
• Analog input channel specification register (ADS)
• A/D port configuration registers 0, 1 (ADPC0, ADPC1)
• Port mode registers 1, 2, 7 (PM1, PM2, PM7)
This register sets the conversion time for analog input to be A/D converted, and starts/stops conversion.
ADM0 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Notes 1.
2.
Symbol
Address: FF28H
ADM0
ADCS
For details of FR2 to FR0, LV1, LV0, and A/D conversion, refer to Table 12-2 A/D Conversion Time
Selection.
The operation of the A/D voltage comparator is controlled by ADCS and ADCE, and it takes 1
operation start to operation stabilization. Therefore, when ADCS is set to 1 after 1
elapsed from the time ADCE is set to 1, the conversion result at that time has priority over the first
conversion result. Otherwise, ignore data of the first conversion.
0
0
1
1
ADCS
ADCE
ADCS
<7>
0
1
0
1
Figure 12-2. Format of A/D Converter Mode Register 0 (ADM0)
ADCE
0
1
0
1
After reset: 00H
Stops conversion operation
Enables conversion operation
Stops A/D voltage comparator operation
Enables A/D voltage comparator operation
6
0
Stop status (DC power consumption path does not exist)
Conversion waiting mode (only A/D voltage comparator consumes power)
Setting prohibited
Conversion mode (A/D voltage comparator operation)
Table 12-1. Settings of ADCS and ADCE
FR2
5
R/W
Note 1
A/D voltage comparator operation control
FR1
A/D conversion operation control
4
Note 1
A/D Conversion Operation
FR0
3
Note 1
LV1
2
Note 1
CHAPTER 12 A/D CONVERTER
LV0
Note 2
1
Note 1
ADCE
<0>
μ
s or more has
μ
s from
405
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