R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 101
R5F21102DFP#U0
Manufacturer Part Number
R5F21102DFP#U0
Description
IC R8C MCU FLASH 8K 32LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/10r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21102FPU0.pdf
(30 pages)
3.R5F21102FPU0.pdf
(201 pages)
Specifications of R5F21102DFP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
LED, WDT
Number Of I /o
22
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
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R8C/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
13. Serial Interface
Figure 13.1 UARTi (i=0, 1) Block Diagram
Serial interface is configured with two channels: UART0 to UART1. UART0 and UART1 each have an
exclusive timer to generate a transfer clock, so they operate independently of each other.
Figure 13.1 shows a block diagram of UARTi (i=0, 1). Figure 13.2 shows a block diagram of the UARTi
transmit/receive.
UART0 has two modes: clock synchronous serial I/O mode, and clock asynchronous serial I/O mode (UART
mode).
UART1 has only one mode, clock asynchronous serial I/O mode (UART mode).
Figures 13.3 to 13.5 show the UARTi-related registers.
(UART1)
CLK
(UART0)
CLK
CLK
RxD
RxD
1
f
f
f
1
f
f
f
1SIO
8SIO
32SIO
to CLK
1
0
1SIO
8SIO
32SIO
0
to CLK
0
=01
=10
=00
0
=01
reversing
=10
=00
polarity
circuit
2
2
CLK
2
2
2
2
Internal
Internal
TXD1EN
External
Clock synchronous type
(when internal clock is selected)
page 89 of 180
Main clock or on-chip oscillator clock
U0BRG register
1/(n0+1)
1/(n1+1)
U1BRG
register
1/16
1/16
1/2
1/16
1/16
Clock synchronous
type
UART reception
UART transmission
Clock synchronous
type
Clock synchronous type
(when internal clock is selected)
Clock synchronous type
(when external clock is selected)
UART transmission
UART reception
1/8
Transmission control
control circuit
CKDIR=0
CKDIR=1
Reception
control circuit
Transmission
control circuit
Reception
circuit
1/4
Transmission
control circuit
control circuit
Receive
clock
Transmit
clock
Reception
f
f
f
8SIO
32SIO
1SIO
Transmit/
Transmit/
receive
receive
unit
unit
TXD1SEL=1
To P0
TXD1SEL=0
13. Serial Interface
0
TxD
0
TxD
TxD
11
10
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