R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 323
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
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
-
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R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 294 of 573
Figure 21.2
RXD0
Table 21.1
TXD0
RXD0
CLK0
Pin Name
SP
SP
Block Diagram of UART0 Transmit/Receive Unit
Pin Configuration of UART0
2SP
1SP
SP
P1_4
P1_5
P1_6
2SP
1SP
SP
Assigned Pin
PAR
PAR
0
PAR enabled
PRYE = 1
PRYE = 1
PAR enabled
0
PRYE = 0
PAR
disabled
PAR
disabled
PRYE = 0
0
0
Clock
synchronous
type
Clock
synchronous
type
0
UART
UART
0
0
Output
Input
UART (9 bits)
0
UART (9 bits)
I/O
I/O
UART (7 bits)
UART (8 bits)
Clock
synchronous
type
Clock
synchronous
type
UART (7 bits)
UART (8 bits)
D8
D8
Data bus low-order bits
Data bus high-order bits
Clock
synchronous
type
UART (8 bits)
UART (9 bits)
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
Serial data output
Serial data input
Transfer clock I/O
UART (7 bits)
UART (7 bits)
D7
D7
D6
D6
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D5
D5
SP: Stop bit
PAR: Parity bit
UART0 transmit register
D4
D4
UART0 receive register
Function
21. Serial Interface (UART0)
D3
D3
D2
D2
D1
D1
D0
D0
U0RB register
U0TB register
TXD0
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