R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 381
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 352 of 573
Figure 22.18
Reception
Transmission
RXD2
DF2EN = 1
DF2EN = 0
Digital
filter
[Multiprocessor mode reception when MP = 1 (multiprocessor communication enabled)]
[Multiprocessor mode transmission when MP = 1 (multiprocessor communication enabled)]
[Multiprocessor mode transmission/reception]
SP
Block Diagram of Multiprocessor Communication Function
(1) Clock asynchronous (7 bits): Received D7 is transferred to b8 in the U2RB register.
(2) Clock asynchronous (8 bits): Received D8 is transferred to b8 in the U2RB register.
(3) Clock asynchronous (7 bits): b8 in the U2TB register is transferred externally as transfer data D7.
(4) Clock asynchronous (8 bits): b8 in the U2TB register is transferred externally as transfer data D8.
(5) PAR is disabled.
SP
SP
2SP
1SP
2SP
1SP
SP
PAR
PAR
0
(5)
(5)
PAR
enabled
PRYE = 1
PAR
disabled
PRYE = 0
PRYE = 0
PAR
disabled
PAR
enabled
PRYE = 1
0
0
0
Clock
synchronous
type
Clock
synchronous
type
0
UART
UART
0
0
(4)
UART
(9 bits)
UART
(9 bits)
0
Clock
synchronous type
UART (7 bits)
UART (8 bits)
(2)
UART (7 bits)
UART (8 bits)
Clock
synchronous type
MPTB
MPRB
(3)
(1)
Data bus high-order bits
Data bus low-order bits
Clock
synchronous
type
UART (8 bits)
UART (9 bits)
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
UART
(7 bits)
UART
(7 bits)
D7
D7
D6
D6
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D5
D5
22. Serial Interface (UART2)
D4
D4
UART2 receive register
UART2 transmit register
SP: Stop bit
PAR: Parity bit
PRYE: Bit in U2MR
DF2EN: Bit in URXDF
MP: Bit in U2SMR5
D3
D3
D2
D2
D1
D1
D0
D0
register
register
register
U2RB
register
U2TB
register
TXD2
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