R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 1073

• Manufacturer Part Number: R0K572030S000BE
• Description: KIT DEV FOR SH7203
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K572030S000BE

• Contents: CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Kit Contents: Board
• Silicon Family Name: SH7203
• Silicon Core Number: R5S72030W200FP
• Tool / Board Applications: General Purpose MCU, MPU, DSP, DSC
• Mcu Supported Families: SH7203
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SH7203
• Lead Free Status / Rohs Status: Compliant

20.7
When using the A/D converter, note the following points.
20.7.1
Operation of the A/D converter can be disabled or enabled using the standby control register. The
initial setting is for operation of the A/D converter to be halted. Register access is enabled by
clearing module standby mode. For details, see section 28, Power-Down Modes.
20.7.2
Permanent damage to the LSI may result if the following voltage ranges are exceeded.
1. Analog input range
2. AVcc and AVss input voltages
3. Setting range of AVref input voltage
20.7.3
In board design, digital circuitry and analog circuitry should be as mutually isolated as possible,
and layout in which digital circuit signal lines and analog circuit signal lines cross or are in close
proximity should be avoided as far as possible. Failure to do so may result in incorrect operation
of the analog circuitry due to inductance, adversely affecting A/D conversion values.
Digital circuitry must be isolated from the analog input signals (AN0 to AN7), analog reference
voltage (AVref), and analog power supply (AVcc) by the analog ground (AVss). Also, the analog
ground (AVss) should be connected at one point to a stable digital ground (PVss) on the board.
During A/D conversion, voltages on the analog input pins ANn should not go beyond the
following range: AVss ≤ ANn ≤ AVcc (n = 0 to 7).
Input voltages AVcc and AVss should be PVcc − 0.3 V ≤ AVcc ≤ PVcc and AVss = PVss. Do
not leave the AVcc and AVss pins open when the A/D converter or D/A converter is not in use
and in software standby mode. When not in use, connect AVcc to the power supply (PVcc) and
AVss to the ground (PVss).
Set the reference voltage range of the AVref pin as 3.0 V ≤ AVref ≤ AVcc.
Usage Notes
Module Standby Mode Setting
Setting Analog Input Voltage
Notes on Board Design
Rev. 3.00 Sep. 28, 2009 Page 1041 of 1650
Section 20 A/D Converter (ADC)
REJ09B0313-0300