DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 899

• Manufacturer Part Number: DS72030W200FPV
• Description: MPU, 32BIT, SH7203, ROMLESS, 240QFP
• Manufacturer: Renesas Electronics America
• Series: SH7200r

Specifications of DS72030W200FPV

• Core Size: 32bit
• Program Memory Size: 32KB
• Cpu Speed: 200MHz
• Digital Ic Case Style: QFP
• No. Of Pins: 240
• Supply Voltage Range: 1.1V To 1.3V
• Operating Temperature Range: -20°C To +85°C
• Svhc: No SVHC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

No
No
No
Clear ACKBT in ICIER to 0
Clear RCVD in ICCR1 to 0
Set ACKBT in ICIER to 1
Clear MST in ICCR1 to 0
Clear TRS in ICCR1 to 0
Set RCVD in ICCR1 to 1
Master receive mode
Dummy-read ICDRR
Read RDRF in ICSR
Read RDRF in ICSR
Clear TEND in ICSR
Clear TDRE in ICSR
Read STOP in ICSR
Clear STOP in ICSR
Write 0 to BBSY
Read ICDRR
Read ICDRR
Read ICDRR
Last receive
RDRF=1 ?
RDRF=1 ?
STOP=1 ?
and SCP
End
- 1?
Yes
Yes
Yes
Figure 17.19 Sample Flowchart for Master Receive Mode
No
Yes
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Clear the STOP flag.
[11] Issue the stop condition.
[12] Wait for the creation of stop condition.
[13] Read the last byte of receive data.
[14] Clear RCVD.
[15] Set slave receive mode.
Notes: 1. Make sure that no interrupt will be generated during steps [1] to [3].
Clear TEND, select master receive mode, and then clear TDRE. *
Set acknowledge to the transmit device. *
Dummy-read ICDDR. *
Wait for 1 byte to be received *
Check whether it is the (last receive - 1). *
Read the receive data.
Set acknowledge of the final byte. Disable continuous reception (RCVD = 1). *
Read the (final byte - 1) of received data.
Wait for the last byte to be receive.
2. At the stage of the (last reception - 1) (i.e. when the decision at [5]
When the size of receive data is only one byte in reception,
The step [8] is dummy-read in ICDRR.
steps [2] to [6] are skipped after step [1], before jumping to step [7].
has been satisfied), make sure that interrupts are not generated
during the steps of [4], [5], and [7].
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Rev. 3.00 Sep. 28, 2009 Page 867 of 1650
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Section 17 I
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C Bus Interface 3 (IIC3)
REJ09B0313-0300
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