R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 1055

• Manufacturer Part Number: R5F61668MZN50FPV
• Description: MCU FLASH 1024K ROM 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61668MZN50FPV

• Core Processor: H8SX
• Core Size: 16/32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 92
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Ram Size: 56K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Note: * For one-byte reception, steps [2] to [6] do not need to be executed. After step [1], execute step [7].
In step [8], read ICDRR (dummy read).
No
No
Set ACKBT = 1 in ICIER
Set ACKBT = 0 in ICIER
Read RDRF in ICSR
Dummy read ICDRR
Read RDRF in ICSR
Slave receive mode
Clear AAS in ICSR
reception -1?
Read ICDRR
Read ICDRR
Read ICDRR
RDRF = 1?
RDRF = 1?
The last
Figure 21.17 Sample Flowchart for Slave Receive Mode
End
Yes
Yes
No
Yes
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[1] Clear the AAS flag.*
[2] Set the acknowledge for the transmit device.*
[3] Dummy read ICDRR*
[4] Wait for 1 byte of data to be received*
[5] Detect (last reception -1)*
[6] Read the receive data.*
[7] Set the acknowledge for the last byte.*
[8] Read the receive data of (last byte -1).*
[9] Wait for the reception of the last byte to be completed.
[10] Read the last byte of receive data.
Rev. 1.00 Jan. 29, 2010 Page 1023 of 1380
Section 21 I
2
C Bus Interface 2 (IIC2)
REJ09B0596-0100