R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 452

• Manufacturer Part Number: R5F21334CNFP#U0
• Description: MCU 1KB FLASH 16K ROM 32-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/33Cr

Specifications of R5F21334CNFP#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: 27
• 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 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 422 of 589
Figure 25.5
Figure 25.6
Program processing (2) Instruction for
Program processing
(master output)
(master output)
(master output)
(master output)
ICDRS register
ICDRT register
ICDRS register
ICDRT register
(slave output)
ICSR register
ICSR register
(slave output)
ICSR register
ICSR register
TDRE bit in
TEND bit in
TDRE bit in
TEND bit in
SDA
SDA
SDA
SCL
Operating Timing in Master Transmit Mode (I
SCL
Operating Timing in Master Transmit Mode (I
SDA
(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
3
Address + R/W
b4
4
b4
4
Address + R/W
Data n
b3
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
b0
and set TEND bit to 0.
8
A
9
A/A
(5) Write data to ICDRT register
9
(7) Set to slave receive mode.
(3rd byte).
Data 1
Data 1
b7
1
25. I
Data 2
2
b6
2
C bus Interface