參數(shù)資料
型號: R5F21368CNFA
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 2/31頁
文件大?。?/td> 273K
代理商: R5F21368CNFA
R8C/36C Group
1. Overview
REJ03B0296-0001 Rev.0.01 Oct 30, 2009
Page 10 of 29
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
1.5
Pin Functions
Tables 1.6 and 1.7 list 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
Apply 1.8 to 5.5 V to the VCC pin.
Apply 0 V to the VSS pin.
Analog power
supply input
AVCC, AVSS
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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