R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 181
![IC R8C MCU FLASH 4K 20SSOP](/photos/12/35/123585/r5f211b1sp_u0_sml.jpg)
R5F211B1SP#U0
Manufacturer Part Number
R5F211B1SP#U0
Description
IC R8C MCU FLASH 4K 20SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/1Br
Datasheets
1.R5F211A2SPU0.pdf
(51 pages)
2.R5F211A2SPU0.pdf
(300 pages)
3.R5F211A2SPU0.pdf
(341 pages)
Specifications of R5F211B1SP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-SSOP
For Use With
R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
15.2
Table 15.4
i = 0 to 1
NOTE:
Transfer data format
Transfer clocks
Transmit start conditions
Receive start conditions
Interrupt request
generation timing
Error detection
The UART mode allows data transmission and reception after setting the desired bit rate and transfer data format.
Table 15.4 lists the UART Mode Specifications. Table 15.5 lists the Registers Used and Settings for UART Mode.
1. If an overrun error occurs, the receive data (b0 to b8) of the UiRB register will be undefined. The IR
bit in the SiRIC register remains unchanged.
Clock Asynchronous Serial I/O (UART) Mode
Dec 08, 2006
Item
UART Mode Specifications
Page 163 of 315
• Character bit (transfer data): Selectable among 7, 8 or 9 bits
• Start bit: 1 bit
• Parity bit: Selectable among odd, even, or none
• Stop bit: Selectable among 1 or 2 bits
• CKDIR bit in UiMR register is set to 0 (internal clock): fj/(16(n+1))
• CKDIR bit is set to 1 (external clock): fEXT/(16(n+1))
• Before transmission starts, the following are required.
• Before reception starts, the following are required.
• When transmitting, one of the following conditions can be selected.
• When receiving
• Overrun error
• Framing error
• Parity error
• Error sum flag
fj = f1, f8, f32 n = value set in UiBRG register: 00h to FFh
fEXT: input from CLKi pin n=setting value in UiBRG register: 00h to FFh
- TE bit in UiC1 register is set to 1 (transmission enabled).
- TI bit in UiC1 register is set to 0 (data in UiTB register).
- RE bit in UiC1 register is set to 1 (reception enabled).
- Start bit detected
- UiIRS bit is set to 0 (transmit buffer empty):
- UiIRS bit is set to 1 (transfer ends):
When transferring data from the UARTi receive register to UiRB register
(when receive ends).
This error occurs if the serial interface starts receiving the next data item
before reading the UiRB register and receives the bit preceding the final
stop bit of the next data item.
This error occurs when the set number of stop bits is not detected.
This error occurs when parity is enabled, and the number of 1’s in parity
and character bits do not match the number of 1’s set.
This flag is set is set to 1 when an overrun, framing, or parity error is
generated.
When transferring data from the UiTB register to UARTi transmit register
(when transmit starts).
When serial interface completes transmitting data from the UARTi
transmit register.
(1)
Specification
15. Serial Interface
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