R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 444

• 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 415 of 573
Figure 25.10
Program processing
(master output)
(master output)
ICDRS register
ICDRR register
ICDRT register
ICCR1 register
(slave output)
(slave output)
ICSR register
ICSR register
TDRE bit in
TEND bit in
TRS bit in
SDA
SDA
SCL
SCL
Operating Timing in Slave Transmit Mode (I
Data n
A
9
b7
Data n
1
b6
2
(3) Set TEND bit to 0.
b5
3
b4
4
b3
5
b2
(4) Dummy read ICDRR register
2
6
C bus Interface Mode) (2)
after setting TRS bit to 0.
b1
Slave transmit mode
7
b0
8
9
A
(5) Set TDRE bit to 0.
25. I
2
Slave receive
mode
C bus Interface