R5F21275SDFP#U0 Renesas Electronics America, R5F21275SDFP#U0 Datasheet - Page 29

IC R8C/27 MCU FLASH 32LQFP

R5F21275SDFP#U0

Manufacturer Part Number
R5F21275SDFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21275SDFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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Manufacturer:
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
1.6
Table 1.5
I: Input
Power supply input VCC, VSS
Analog power
supply input
Reset input
MODE
XIN clock input
XIN clock output
XCIN clock input
(N, D version)
XCIN clock output
(N, D version)
INT interrupt input
Key input interrupt
Timer RA
Timer RB
Timer RC
Timer RE
Serial interface
I
Clock synchronous
serial I/O with chip
select
Reference voltage
input
A/D converter
I/O port
Input port
2
Table 1.5 lists Pin Functions.
C bus interface
Type
Pin Functions
Sep 26, 2008
O: Output
Pin Functions
AVCC, AVSS
RESET
MODE
XIN
XOUT
XCIN
XCOUT
INT0, INT1, INT3
KI0 to KI3
TRAO
TRAIO
TRBO
TRCCLK
TRCTRG
TRCIOA, TRCIOB,
TRCIOC, TRCIOD
TREO
CLK0, CLK1
RXD0, RXD1
TXD0, TXD1
SCL
SDA
SSI
SCS
SSCK
SSO
VREF
AN0 to AN11
P0_0 to P0_7,
P1_0 to P1_7,
P3_1, P3_3 to
P3_7,
P4_5,
P5_3, P5_4
P4_2, P4_6, P4_7
Page 10 of 453
Symbol
I/O: Input and output
I/O Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Power supply for the A/D converter.
Connect this pin to VCC via a resistor.
Timer RA I/O pin
External clock input pin
Sharing output-compare output / input-capture input / PWM /
Receive data input pin
Transmit data output pin
Reference voltage input pin to A/D converter
Analog input pins to A/D converter
CMOS I/O ports. Each port has an I/O select direction register,
Input-only ports
Apply 2.2 to 5.5 V (J, K version are 2.7 to 5.5 V) to the VCC
pin. Apply 0 V to the VSS pin.
Connect a capacitor between AVCC and AVSS.
Input “L” on this pin resets the MCU.
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. To use an external clock, input it to the
XIN pin and leave the XOUT pin open.
These pins are provided for XCIN clock generation circuit I/O.
Connect a crystal oscillator between the XCIN and XCOUT
pins. To use an external clock, input it to the XCIN pin and
leave the XCOUT pin open.
INT interrupt input pins
Key input interrupt input pins
Timer RA output pin
Timer RB output pin
External trigger input pin
PWM2 output pins
Timer RE output pin
Clock I/O pin
Clock I/O pin
Data I/O pin
Data I/O pin
Chip-select signal I/O pin
Clock I/O pin
Data I/O pin
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.
P1_0 to P1_7 also function as LED drive ports (N, D version).
Description
1. Overview

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