参数资料
型号: R5F21347EJFP
元件分类: 微控制器/微处理器
英文描述: FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 14/48页
文件大小: 536K
代理商: R5F21347EJFP
R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group
1. Overview
REJ03B0246-0010 Rev.0.10
Apr 17, 2008
Page 19 of 44
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
I: Input
O: Output
I/O: Input and output
Note:
2. Only in the R8C/34E Group and the R8C/34F Group.
Table 1.16
Pin Functions (2)
Item
Pin Name
I/O Type
Description
CAN module
CRX0(2)
I
CAN data input pin
CTX0(2)
O
CAN data output pin
Reference voltage
input
VREF
I
Reference voltage input pin to A/D converter
A/D converter
AN0 to AN11
I
Analog input pins to A/D converter
ADTRG
I
AD external trigger input pin
Voltage Detection
Circuit
LVCMP2
I
Detection target voltage 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_1,
P3_3 to P3_5, P3_7,
P4_3 to P4_7,
P6_0 to P6_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.
Input port
P4_2
I
Input-only ports
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