R5F21356CNFP#U0 Renesas Electronics America, R5F21356CNFP#U0 Datasheet - Page 585

• Manufacturer Part Number: R5F21356CNFP#U0
• Description: MCU 1KB FLASH 32K ROM 52-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/35Cr

Specifications of R5F21356CNFP#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: 47
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/35C Group
REJ09B0567-0100 Rev.1.00 Dec. 14, 2009
Page 552 of 725
Figure 26.5
Figure 26.6
Program processing (2) Instruction for
Program processing
(master output)
(master output)
ICDRS register
ICDRT register
(slave output)
ICSR register
ICSR register
(master output)
(master output)
ICDRS register
ICDRT register
TDRE bit in
TEND bit in
(slave output)
ICSR register
ICSR register
TDRE bit in
TEND bit in
SDA
SDA
SCL
Operating Timing in Master Transmit Mode (I
Operating Timing in Master Transmit Mode (I
SDA
SDA
SCL
(3) Write data to ICDRT register.
start condition
generation
9
A
b7
1
b7
1
b6
(3) Write data to ICDRT register
2
(1st byte).
b6
2
b5
3
b5
Slave address
Address + R/W
3
b4
4
b4
Address + R/W
4
b3
Data n
5
Data n
b3
5
b2
(4) Write data to ICDRT register
6
(2nd byte).
b2
6
b1
7
2
2
C bus Interface Mode) (1)
C bus Interface Mode) (2)
b1
7
b0
R/W
8
(6) Generate a stop condition
and set TEND bit to 0.
b0
8
A
9
(5) Write data to ICDRT register
A/A
9
(3rd byte).
(7) Set to slave receive mode.
Data 1
Data 1
b7
1
26. I
Data 2
2
b6
2
C bus Interface