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R5F21276SDXXXFP の電気的特性と機能

R5F21276SDXXXFPのメーカーはRenesasです、この部品の機能は「16-BIT SINGLE-CHIP MCU」です。


製品の詳細 ( Datasheet PDF )

部品番号 R5F21276SDXXXFP
部品説明 16-BIT SINGLE-CHIP MCU
メーカ Renesas
ロゴ Renesas ロゴ 




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R5F21276SDXXXFP Datasheet, R5F21276SDXXXFP PDF,ピン配置, 機能
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REJ09B0278-0210
16
R8C/26 ,Group R8C/27 Group
Hardware Manual
RENESAS 16-BIT SINGLE-CHIP MCU
R8C FAMILY / R8C/2x SERIES
All information contained in these materials, including products and product specifications,
represents information on the product at the time of publication and is subject to change by
Renesas Technology Corp. without notice. Please review the latest information published
by Renesas Technology Corp. through various means, including the Renesas Technology
Corp. website (http://www.renesas.com).
Rev.2.10
Revision Date: Sep 26, 2008
www.renesas.com
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R5F21276SDXXXFP pdf, ピン配列
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General Precautions in the Handling of MPU/MCU Products
The following usage notes are applicable to all MPU/MCU products from Renesas. For detailed usage notes
on the products covered by this manual, refer to the relevant sections of the manual. If the descriptions under
General Precautions in the Handling of MPU/MCU Products and in the body of the manual differ from each
other, the description in the body of the manual takes precedence.
1. Handling of Unused Pins
Handle unused pins in accord with the directions given under Handling of Unused Pins in the
manual.
The input pins of CMOS products are generally in the high-impedance state. In operation
with an unused pin in the open-circuit state, extra electromagnetic noise is induced in the
vicinity of LSI, an associated shoot-through current flows internally, and malfunctions occur
due to the false recognition of the pin state as an input signal become possible. Unused
pins should be handled as described under Handling of Unused Pins in the manual.
2. Processing at Power-on
The state of the product is undefined at the moment when power is supplied.
The states of internal circuits in the LSI are indeterminate and the states of register
settings and pins are undefined at the moment when power is supplied.
In a finished product where the reset signal is applied to the external reset pin, the states
of pins are not guaranteed from the moment when power is supplied until the reset
process is completed.
In a similar way, the states of pins in a product that is reset by an on-chip power-on reset
function are not guaranteed from the moment when power is supplied until the power
reaches the level at which resetting has been specified.
3. Prohibition of Access to Reserved Addresses
Access to reserved addresses is prohibited.
The reserved addresses are provided for the possible future expansion of functions. Do
not access these addresses; the correct operation of LSI is not guaranteed if they are
accessed.
4. Clock Signals
After applying a reset, only release the reset line after the operating clock signal has become
stable. When switching the clock signal during program execution, wait until the target clock
signal has stabilized.
When the clock signal is generated with an external resonator (or from an external
oscillator) during a reset, ensure that the reset line is only released after full stabilization of
the clock signal. Moreover, when switching to a clock signal produced with an external
resonator (or by an external oscillator) while program execution is in progress, wait until
the target clock signal is stable.
5. Differences between Products
Before changing from one product to another, i.e. to one with a different part number, confirm
that the change will not lead to problems.
The characteristics of MPU/MCU in the same group but having different part numbers may
differ because of the differences in internal memory capacity and layout pattern. When
changing to products of different part numbers, implement a system-evaluation test for
each of the products.
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3. Register Notation
The symbols and terms used in register diagrams are described below.
XXX Register
b7 b6 b5 b4 b3 b2 b1 b0
0
*1
Symbol
XXX
Bit Symbol
Bit Name
XXX0
XXX bits
XXX1
Address
XXX
After Reset
00h
b1 b0
1 0: XXX
0 1: XXX
1 0: Do not set.
1 1: XXX
Function
Nothing is assigned. If necessary, set to 0.
(b2) When read, the content is undefined.
(b3) Reserved bits
XXX4
XXX bits
Set to 0.
Function varies according to the operating
mode.
XXX5
XXX6
XXX7
XXX bit
0: XXX
1: XXX
RW *2
RW
RW
*3
RW *4
RW
WO
RW
RO
*1
Blank: Set to 0 or 1 according to the application.
0: Set to 0.
1: Set to 1.
X: Nothing is assigned.
*2
RW: Read and write.
RO: Read only.
WO: Write only.
: Nothing is assigned.
*3
• Reserved bit
Reserved bit. Set to specified value.
*4
• Nothing is assigned
Nothing is assigned to the bit. As the bit may be used for future functions, if necessary, set to 0.
• Do not set to a value
Operation is not guaranteed when a value is set.
• Function varies according to the operating mode.
The function of the bit varies with the peripheral function mode. Refer to the register diagram for information
on the individual modes.
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部品番号部品説明メーカ
R5F21276SDXXXFP

16-BIT SINGLE-CHIP MCU

Renesas
Renesas


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