R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 446

• 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 417 of 573
Figure 25.11
Figure 25.12
(master output)
(master output)
ICDRS register
ICDRR register
Program processing
(master output)
(master output)
ICDRS register
ICDRR register
Program processing
(slave output)
(slave output)
(slave output)
(slave output)
ICSR register
ICSR register
RDRF bit in
RDRF bit in
SDA
SDA
SDA
SDA
SCL
SCL
SCL
SCL
Operating Timing in Slave Receive Mode (I
Operating Timing in Slave Receive Mode (I
(2) Dummy read ICDRR register.
A
A
9
9
b7
1
b6
2
b7
1
(3) Set ACKBT bit to 1.
b5
b6
3
2
b4
b5
4
3
Data 1
b3
b4
5
4
b2
2
2
b3
C bus Interface Mode) (1)
C bus Interface Mode) (2)
6
Data 1
(3) Read ICDRR register.
5
b1
b2
7
6
b0
b1
8
7
(2) Read ICDRR register.
A
b0
8
(4) Read ICDRR register.
9
A
9
25. I
Data 1
b7
Data 1
1
2
Data 2
Data 2
C bus Interface