R5F21217JFP#U1 Renesas Electronics America, R5F21217JFP#U1 Datasheet - Page 360

• Manufacturer Part Number: R5F21217JFP#U1
• Description: MCU FLASH 48K 2.5K CMOS 48LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F21217JFP#U1

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 16.48
ICSR register
ICSR register
ICCR1 register
ICSR Register
Write transmit data to ICDRT register
Write transmit data to ICDRT register
Read TDRE bit in ICSR register
Read TEND bit in ICSR register
Dummy-read in ICDRR register
Example of Register Setting in Slave Transmit Mode (I
No
No
No
Slave transmit mode
TDRE = 1 ?
TEND = 1 ?
Last byte ?
Page 342 of 458
TEND bit ← 0
AAS bit ← 0
TDRE Bit ← 0
End
TRS bit ← 0
Yes
Yes
Yes
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1) Set the AAS bit to 0
(2) Set the transmit data (except the last byte)
(3) Wait the ICDRT register is empty
(4) Set the transmit data of the last byte
(5) Wait the last byte is transmitted
(6) Set the TEND bit to 0
(7) Set to slave receive mode
(8) Dummy-read in the ICDRR register to release the
(9) Set the TDRE bit to 0
SCL signal
16. Clock Synchronous Serial Interface
2
C Bus Interface Mode)