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參數資料
| 型號： | R5F21387ANFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁數： | 56/56頁 |
| 文件大小： | 469K |
| 代理商： | R5F21387ANFP |
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R8C/38A Group
1. Overview
REJ03B0274-0110 Rev.1.10 Sep 28, 2009
Page 9 of 54
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
1.5
Pin Functions
I: Input
O: Output
I/O: Input and output
Note:
1. Refer to the oscillator manufacturer for oscillation characteristics.
Table 1.6
Pin Functions (1)
Item
Pin Name
I/O Type
Description
Power supply input VCC, VSS
I
Apply 1.8 to 5.5 V to the VCC pin.
Apply 0 V to the VSS pin.
Analog power
supply input
AVCC, AVSS
I
Power supply for the A/D converter.
Connect a capacitor between AVCC and AVSS.
Reset input
RESET
I
Input “L” on this pin resets the MCU.
MODE
I
Connect this pin to VCC via a resistor.
XIN clock input
XIN
I
These pins are provided for XIN clock generation circuit I/O.
Connect a ceramic resonator or a crystal oscillator between
the XIN and XOUT pins. (1)
To use an external clock, input it to the XOUT pin and leave
the XIN pin open.
XIN clock output
XOUT
I/O
XCIN clock input
XCIN
I
These pins are provided for XCIN clock generation circuit I/O.
Connect a crystal oscillator between the XCIN and XCOUT
pins. (1)
To use an external clock, input it to the XCIN pin and leave
the XCOUT pin open.
XCIN clock output
XCOUT
O
INT interrupt input
INT0 to INT4
I
INT interrupt input pins.
Key input interrupt
KI0 to KI3
I
Key input interrupt input pins.
Timer RA
TRAIO
I/O
Timer RA I/O pin.
TRAO
O
Timer RA output pin.
Timer RB
TRBO
O
Timer RB output pin.
Timer RC
TRCCLK
I
External clock input pin.
TRCTRG
I
External trigger input pin.
TRCIOA, TRCIOB,
TRCIOC, TRCIOD
I/O
Timer RC I/O pins.
Timer RD
TRDIOA0, TRDIOA1,
TRDIOB0, TRDIOB1,
TRDIOC0, TRDIOC1,
TRDIOD0, TRDIOD1
I/O
Timer RD I/O pins.
TRDCLK
I
External clock input pin.
Timer RE
TREO
O
Divided clock output pin.
Timer RF
TRFO00, TRFO10,
TRFO01,TRFO11,
TRFO02,TRFO12
O
Timer RF output pins.
TRFI
I
Timer RF input pin.
Timer RG
TRGIOA, TRGIOB
I/O
Timer RG I/O ports.
TRGCLKA, TRGCLKB
I
External clock input pints.
Serial interface
CLK0, CLK1, CLK2
I/O
Transfer clock I/O pins.
RXD0, RXD1, RXD2
I
Serial data input pins.
TXD0, TXD1, TXD2
O
Serial data output pins.
CTS2
I
Transmission control input pin.
RTS2
O
Reception control output pin.
SCL2
I/O
I2C mode clock I/O pin.
SDA2
I/O
I2C mode data I/O pin.
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