R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 534

MCU 1KB FLASH 16K ROM 20-LSSOP

R5F21324CNSP#U0

Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet

Specifications of R5F21324CNSP#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
15
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 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 505 of 573
Figure 29.17
Table 29.7
I: Input
VCC, VSS
RESET
P4_6/XIN/(XCIN)
P4_7/XOUT/(XCOUT)
P1_0 to P1_3,
P1_6, P1_7
P3_3 to P3_5, P3_7
P4_2/VREF, P4_5
MODE
P1_4
P1_5
Notes:
Pin
Data output
O: Output
Data input
1. In this example, modes are switched between single-chip mode and standard serial I/O mode
2. When operating with the on-chip oscillator clock, it is not necessary to connect an oscillation
Pin Functions (Flash Memory Standard Serial I/O Mode 2)
Pin Handling in Standard Serial I/O Mode 2
Refer to Appendix Figure 2.1 Connection Example with M16C Flash Starter (M3A-0806).
by controlling the MODE input with a switch.
circuit.
User reset signal
Power supply input
Reset input
P4_6 input/clock input
P4_7 input/clock output I/O
Input port P1
Input port P3
Input port P4
MODE
TXD output
RXD input
I/O: Input and output
Name
TXD
RXD
RESET
Connect an oscillator
(XCIN )
I/O
I/O Input a “L” level signal.
XIN/
O Serial data output pin
I
I
I
I
I
I
MCU
Apply the guaranteed programming and erasure
voltage to the VCC pin and 0 V to the VSS pin.
Reset input pin
Connect a ceramic resonator or crystal oscillator
between pins XIN(XCIN) and XOUT(XCOUT).
Input a “H” or “L” level signal or leave open.
Input a “H” or “L” level signal or leave open.
Input a “H” or “L” level signal or leave open.
Serial data input pin
(XCOUT)
XOUT/
MODE
AVSS
AVCC
VSS
VCC
(2)
Description
29. Flash Memory

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