R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 210

• Manufacturer Part Number: R5F211B1SP#U0
• Description: IC R8C MCU FLASH 4K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/1Br

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: -

R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
Figure 16.18
(1)
(2)
NOTE:
Dec 08, 2006
1. Write 0 after reading 1 to set the ORER bit to 0.
Initialization in 4-Wire Bus Communication Mode
SSER register
SSMR register
SSCRH register
SSMR2 register
SSMR2 register
SSSR register
SSCRH register
SSCRH register
SSER register
Page 192 of 315
Set bits CPHS and CPOS
MLS bits ← 0
RE bit ← 1 (receive)
TE bit ← 1 (transmit)
Set bits RIE, TEIE, and TIE
Start
Set bits CKS0 to CKS2
End
SCKS bit ← 1
Set bits SOOS, CSS0 to
CSS1, and BIDE
ORER bit ← 0
SSUMS bit ← 1
Set RSSTP bit
RE bit ← 0
TE bit ← 0
Set MSS bit
(1)
(2) Set the BIDE bit to 1 in bidirectional mode and
(1) The MLS bit is set to 0 for MSB-first transfer.
set the I/O of the SCS pin by bits CSS0 to
CSS1.
The clock polarity and phase are set by bits
CPHS and CPOS.
16. Clock Synchronous Serial Interface