R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 194
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
-
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R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
Figure 16.6
SS Status Register
b7 b6 b5 b4
NOTES :
1.
2.
3.
4.
5.
6.
7. Refer to 16.2.8.1 Accessing Registers Associated w ith Clock Synchronous Serial I/O w ith Chip Select for
Writing 1 to CE, ORER, RDRF, TEND, or TDRE bit is invalid. To set any of these bits to 0, first read 1 then w rite 0.
When the serial communication is started w hile the SSUMS bit in the SSMR2 register is set to 1 (four-w ire bus
communication mode) and the MSS bit in the SSCRH register is set to 1 (operates as master device), the CE bit is set
to 1 if “L” is applied to the SCS pin input. When the SSUMS bit in the SSMR2 register is set to 1 (four-w ire bus
communication mode), the MSS bit in the SSCRH register is set to 0 (operates as slave device) and the SCS pin input
changes the level from “L” to “H” during transfer, the CE bit is set to 1.
Indicates w hen overrun errors occur and receive completes by error reception. If the next serial data receive
operation is completed w hile the RDRF bit is set to 1 (data in the SSRDR register), the ORER bit is set to 1. After the
ORER bit is set to 1 (overrun error), transmit and receive operations are disabled w hile the bit remains 1.
The RDRF bit is set to 0 w hen reading out the data from the SSRDR register.
Bits TEND and TDRE are set to 0 w hen w riting data to the SSTDR register.
The TDRE bit is set to 1 w hen the TE bit in the SSER register is set to 1 (transmit enabled).
more information.
Dec 08, 2006
b3 b2 b1
SSSR Register
b0
(7)
Bit Symbol
(b4-b3)
Symbol
SSSR
ORER
RDRF
TEND
TDRE
(b1)
Page 176 of 315
CE
—
—
Conflict error flag
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Overrun error flag
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Receive data register full
(1,4)
Transmit end
Transmit data empty
Address
Bit Name
00BCh
(1, 5)
(1)
(1)
(1, 5, 6)
0 : No conflict errors generated
1 : Conflict errors generated
0 : No overrun errors generated
1 : Overrun errors generated
0 : No data in SSRDR register
1 : Data in SSRDR register
0 : The TDRE bit is set to 0 w hen transmitting
1 : The TDRE bit is set to 1 w hen transmitting
0 : Data is not transferred from registers SSTDR to
1 : Data is transferred from registers SSTDR to
the last bit of transmit data.
the last bit of transmit data.
SSTRSR.
SSTRSR.
16. Clock Synchronous Serial Interface
After Reset
Function
00h
(2)
(3)
RW
RW
RW
RW
RW
RW
—
—
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