HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 339

• Manufacturer Part Number: HD64F3437TFI16V
• Description: MCU FLASH 60K 100-TQFP
• Manufacturer: Renesas Electronics America

Specifications of HD64F3437TFI16V

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.3.8
Figures 13.12 to 13.15 show typical flowcharts for using the I
No
No
No
No
Sample Flowcharts
Write transmit data in ICDR
Write transmit data in ICDR
and SCP = 0 in ICSR
Read ACKB in ICSR
and SCP = 0 in ICSR
Read BBSY in ICSR
Read ACKB in ICSR
Read IRIC in ICSR
Clear IRIC in ICSR
Read IRIC in ICSR
End of transmission
Clear IRIC in ICSR
Set MST = 1 and
TRS = 1 in ICCR
Transmit mode?
Write BBSY = 1
Write BBSY = 0
Figure 13.12 Flowchart for Master Transmit Mode (Example)
(ACKB = 1)?
ACKB = 0?
Yes
BBSY = 0?
IRIC = 1?
IRIC = 1?
Initialize
Start
End
Yes
Yes
Yes
Yes
Yes
No
No
10
1
2
3
4
5
6
7
8
9
Master receive mode
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Generate a stop condition.
Test the status of the SCL and SDA lines.
Select master transmit mode.
Generate a start condition.
Set transmit data for the first byte (slave address + R/W).
Wait for 1 byte to be transmitted.
Test for acknowledgement by the designated slave device.
Set transmit data for the second and subsequent bytes.
Wait for 1 byte to be transmitted.
Test for end of transfer.
2
C bus interface in each mode.
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