R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 38

MCU 1KB FLASH 16K ROM 32-LQFP

R5F21334CNFP#U0

Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet

Specifications of R5F21334CNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 8 of 589
1.5
Table 1.5
I: Input
Note:
Power supply input VCC, VSS
Analog power
supply input
Reset input
MODE
XIN clock input
XIN clock output
XCIN clock input
XCIN clock output
INT interrupt input
Key input interrupt
Timer RA
Timer RB
Timer RC
Timer RE
Serial interface
I
SSU
2
Tables 1.5 and 1.6 list Pin Functions.
C bus
1. Refer to the oscillator manufacturer for oscillation characteristics.
Pin Functions
Item
O: Output
Pin Functions (1)
AVCC, AVSS
RESET
MODE
XIN
XOUT
XCIN
XCOUT
INT0, INT1, INT3
KI0 to KI3
TRAIO
TRAO
TRBO
TRCCLK
TRCTRG
TRCIOA, TRCIOB,
TRCIOC, TRCIOD
TREO
CLK0, CLK1, CLK2
RXD0, RXD1, RXD2
TXD0, TXD1, TXD2
CTS2
RTS2
SCL2
SDA2
SCL
SDA
SSI
SCS
SSCK
SSO
Pin Name
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
I/O
I/O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
Apply 1.8 V to 5.5 V to the VCC pin. Apply 0 V to the VSS pin.
Power supply for the A/D converter.
Connect a capacitor between AVCC and AVSS.
Input “L” on this pin resets the MCU.
Connect this pin to VCC via a resistor.
Connect a ceramic resonator or a crystal oscillator between
the XIN and XOUT pins
to the XOUT pin and leave the XIN pin open.
These pins are provided for XCIN clock generation circuit I/O.
Connect a crystal oscillator between the XCIN and XCOUT
pins
leave the XCOUT pin open.
INT interrupt input pins.
INT0 is timer RB, and RC input pin.
Key input interrupt input pins
Timer RA I/O pin
Timer RA output pin
External clock input pin
External trigger input pin
Timer RC I/O pins
Divided clock output pin
Serial data input pins
Serial data output pins
Transmission control input pin
Reception control output pin
I
I
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
These pins are provided for XIN clock generation circuit I/O.
Timer RB output pin
Transfer clock I/O pins
2
2
C mode clock I/O pin
C mode data I/O pin
(1)
. To use an external clock, input it to the XCIN pin and
(1)
Description
. To use an external clock, input it
1. Overview

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