R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 535

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

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 506 of 573
Figure 29.18
Table 29.8
I: Input
VCC, VSS
RESET
P4_6/XIN/(XCIN)
P4_7/XOUT/(XCOUT) P4_7 input/clock output I/O
P1_0 to P1_7
P3_3 to P3_5, P3_7
P4_2/VREF, P4_5
MODE
Pin
O: Output
Pin Functions (Flash Memory Standard Serial I/O Mode 3)
Pin Handling in Standard Serial I/O Mode 3
Notes:
Reset input
MODE I/O
1. Controlled pins and external circuits vary depending on the programmer.
2. In this example, modes are switched between single-chip mode and
3. When operating with the on-chip oscillator clock, it is not necessary to
Refer to the programmer manual for details.
Power supply input
Reset input
P4_6 input/clock input
Input port P1
Input port P3
Input port P4
MODE
standard serial I/O mode by connecting a programmer.
connect an oscillation circuit.
I/O: Input and output
Name
User reset signal
I/O
I/O Serial data I/O pin. Connect the pin to a
I
I
I
I
I
Apply the guaranteed programming and erasure
voltage to the VCC pin and 0 V to the VSS pin.
Reset input pin
If an external oscillator is connected, connect a
ceramic resonator or crystal oscillator between pins
XIN(XCIN) and XOUT(XCOUT).
To use as an input port, input a “H” or “L” level
signal or leave the pin open.
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.
programmer.
MODE
RESET
MCU
AVCC
AVSS
VCC
VSS
Description
29. Flash Memory