参数资料
型号: R5F21388ANFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 2/56页
文件大小: 469K
代理商: R5F21388ANFP
R8C/38A Group
1. Overview
REJ03B0274-0110 Rev.1.10 Sep 28, 2009
Page 10 of 54
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
I: Input
O: Output
I/O: Input and output
Table 1.7
Pin Functions (2)
Item
Pin Name
I/O Type
Description
SSU
SSI
I/O
Data I/O pin.
SCS
I/O
Chip-select signal I/O pin.
SSCK
I/O
Clock I/O pin.
SSO
I/O
Data I/O pin.
I2C bus
SCL
I/O
Clock I/O pin
SDA
I/O
Data I/O pin
Reference voltage
input
VREF
I
Reference voltage input pin to A/D converter.
A/D converter
AN0 to AN19
I
Analog input pins to A/D converter.
ADTRG
I
AD external trigger input pin.
D/A converter
DA0, DA1
O
D/A converter output pins.
Comparator A
LVCMP1, LVCMP2
I
Comparator A analog voltage input pins.
LVREF
I
Comparator A reference voltage input pin.
LVCOUT1,
LVCOUT2
O
Comparator A output pins.
Comparator B
IVCMP1, IVCMP3
I
Comparator B analog voltage input pins.
IVREF1, IVREF3
I
Comparator B reference voltage input pins.
Voltage detection
circuit
LVCMP2
I
Detection voltage input pin for voltage detection 2.
I/O port
P0_0 to P0_7,
P1_0 to P1_7,
P2_0 to P2_7,
P3_0 to P3_7,
P4_3 to P4_7,
P5_0 to P5_7,
P6_0 to P6_7,
P7_0 to P7_7,
P8_0 to P8_7,
P9_0 to P9_5
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.
Input port
P4_2
I
Input-only ports.
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