R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 184

• Manufacturer Part Number: R5F21162SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/16r

Specifications of R5F21162SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
Figure 15.25
Jan 19, 2006
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
No
No
No
Slave Transmit Mode
Last byte ?
TDRE=1 ?
TEND=1 ?
Page 169 of 254
TEND Bit ← 0
TDRE Bit ← 0
End
AAS Bit ← 0
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 ICRDT 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
15. I
2
C bus interface (IIC)