R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 401

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 15
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 372 of 573
Figure 24.2
(“L” when clock stops)
(“H” when clock stops)
(“H” when clock stops)
(“L” when clock stops)
• SSUMS = 0 (clock synchronous communication mode), CPHS bit = 0 (data change at odd
• SSUMS = 1 (4-wire bus communication mode) and CPHS = 0 (data change at odd edge)
• SSUMS = 1 (4-wire bus communication mode) and CPHS = 1 (data download at odd edge)
Association between Transfer Clock Polarity, Phase, and Transfer Data
CPOS = 1
CPOS = 1
CPOS = 0
SSO, SSI
SSO, SSI
CPOS = 0
edge), and CPOS bit = 0 (“H” when clock stops)
SSO, SSI
SCS
SCS
SSCK
SSCK
SSCK
SSCK
SSCK
CPHS and CPOS: Bits in SSMR register, SSUMS: Bit in SSMR2 register
b0
b0
b0
b1
b1
b1
b2
b2
b2
b3
24. Synchronous Serial Communication Unit (SSU)
b3
b3
b4
b4
b4
b5
b5
b5
b6
b6
b6
b7
b7
b7