DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 566

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 17 I
Rev.2.00 May. 28, 2009 Page 526 of 732
REJ09B0059-0200
No
No
No
2
C Bus Interface 3 (IIC3)
Dummy reading of ICDRR
Set TRS = 0 in ICCRA
Slave transmit mode
Read TDRE in ICSR
Read TEND in ICSR
Clear TEND in ICSR
Clear TDRE in ICSR
Clear AAS in ICSR
Write transmit data
Write transmit data
TEND = 1 ?
TDRE = 1 ?
Figure 17.16 Sample Flowchart for Slave Transmit Mode
to ICDRT
in ICDRT
Last byte?
End
Yes
Yes
Yes
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[1] Clear the AAS flag.
[2] Set transmit data to ICDRT (except for the last byte).
[3] Wait for ICDRT empty.
[4] Set the last byte of the transmit data.
[5] Wait the transmission end of the last byte.
[6] Clear the TEND flag.
[7] Set slave receive mode.
[8] Dummy reading of ICDRR to release the SCL line.
[9] Clear the TDRE flag.