DF2552BR26DV Renesas Electronics America, DF2552BR26DV Datasheet - Page 553

• Manufacturer Part Number: DF2552BR26DV
• Description: IC H8S/2552 MCU FLASH 176-LFBGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2552BR26DV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 26MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 104
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

No
No
No
Write transmit data in ICDRT
Write transmit data in ICDRT
No
No
No
Set MST to 1 and TRS
Read ACKBR in ICIER
Read BBSY in ICCR2
Read TDRE in ICSR
Read TEND in ICSR
Clear TEND in ICSR
Clear STOP in ICSR
Read STOP in ICSR
Clear TDRE in ICSR
Read TEND in ICSR
Write transmit data
Set MST and TRS
Write 1 to BBSY
Write 0 to BBSY
to 0 in ICCR1
in ICCR1 to 1.
and 0 to SCP.
Figure 14.17 Sample Flowchart for Master Transmit Mode
ACKBR=0 ?
BBSY=0 ?
TEND=1 ?
TDRE=1 ?
Last byte?
TEND=1 ?
STOP=1 ?
in ICDRT
Transmit
Initialize
and SCP
mode?
Start
End
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
Mater receive mode
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Wait for last byte to be transmitted.
[11] Clear the TEND flag.
[12] Clear the STOP flag.
[13] Issue the stop condition.
[14] Wait for the creation of stop condition.
[15] Set slave receive mode. Clear TDRE.
Test the status of the SCL and SDA lines.
Set master transmit mode.
Issue the start condition.
Set the first byte (slave address + R/W) of transmit data.
Wait for 1 byte to be transmitted.
Test the acknowledge transferred from the specified slave device.
Set the second and subsequent bytes (except for the final byte) of transmit data.
Wait for ICDRT empty.
Set the last byte of transmit data.
Rev. 6.00 Sep. 24, 2009 Page 505 of 928
Section 14 I
2
C Bus Interface 2 (IIC2)
REJ09B0099-0600