参数资料
型号: R5F213G5DDSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO24
封装: 5.60 X 7.80 MM, 0.65 MM, PLASTIC, SSOP-24
文件页数: 2/45页
文件大小: 521K
代理商: R5F213G5DDSP
R8C/3GD Group
1. Overview
REJ03B0289-0100 Rev.1.00
Feb 26, 2010
Page 8 of 41
1.5
Pin Functions
I: Input
O: Output
I/O: Input and output
Note:
1. Refer to the oscillator manufacturer for oscillation characteristics.
Table 1.5
Pin Functions
Item
Pin Name
I/O Type
Description
Power supply input
VCC, VSS
Apply 1.8 V 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, INT1, INT3
IINT interrupt input pins.
INT0 is timer RB, and RC input pin.
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
Serial interface
CLK0, CLK2
I/O
Transfer clock I/O pins
RXD0, RXD2
I
Serial data input pins
TXD0, 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
Reference voltage
input
VREF
I
Reference voltage input pin to A/D converter
A/D converter
AN0, AN1, AN5,
AN6, AN8 to AN11
I
Analog input pins to A/D converter
ADTRG
I
A/D external trigger input pin
Comparator B
IVCMP1, IVCMP3
I
Comparator B analog voltage input pins
IVREF1, IVREF3
I
Comparator B reference voltage input pins
I/O port
P0_1, P0_2, P0_6,
P0_7, P1_0 to P1_7,
P3_3 to P3_5, P3_7,
P4_5 to P4_7
I/O
CMOS I/O ports. Each port has an I/O select direction
register, allowing each pin in the port to be directed for input
or output individually.
Any port set to input can be set to use a pull-up resistor or not
by a program.
All ports can be used as LED drive ports.
Input port
P4_2
I
Input-only port
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