R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 440

• 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 411 of 573
Figure 25.7
Program processing
ICDRS register
ICDRR register
(master output)
(master output)
ICCR1 register
(slave output)
ICSR register
ICSR register
ICSR register
Master transmit mode
RDRF bit in
TDRE bit in
TEND bit in
TRS bit in
SDA
SDA
SCL
Operating Timing in Master Receive Mode (I
(1) After setting bits TEND and TRS to 0,
set TDRE bit to 0.
A
9
b7
1
Master receive mode
b6
2
(2) Read ICDRR register.
b5
3
b4
4
2
C bus Interface Mode) (1)
b3
5
b2
6
b1
7
Data 1
b0
8
(3) Read ICDRR register.
25. I
A
9
Data 1
2
C bus Interface
b7
1