R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 292

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 16.18
(1)
(2)
NOTE:
Sep 26, 2008
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
SSER register
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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
Set RSSTP bit
End
SCKS bit ← 1
Set bits SOOS, CSS0 to
CSS1, and BIDE
ORER bit ← 0
SSUMS bit ← 1
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 and
CSS1.
The clock polarity and phase are set by bits
CPHS and CPOS.
16. Clock Synchronous Serial Interface