HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 344

• 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

312
Figure 13.16 Recommended Program Flow for Retransmission Start Condition Issuance
SCL
SDA
IRIC
(1) IRIC check
No
No
Figure 13.17 Timing Chart for Retransmission Start Condition Issuance
ACK
Write 1 to BBSY and
Read IRIC in ICSR
Clear IRIC in ICSR
Write data to ICDR
0 to SCP in ICSR
9
Retransmission?
(2) SCL low level
Read SCL
Read SCL
IRIC = 1?
SCL = 0?
SCL = 1?
determination
Yes
Yes
Yes
(3) Retransmission start
condition issuance
No
(4) SCL high level
Other operation
determination
(1) Confirm completion of 1-
(2) Confirm that SCL is low
(3) Issue retransmission
(4) Confirm that SCL is high
(5) Write transmit data
Note: “Read SCL” means
(5) Transmit data setting
byte transmission
start condition
Bit 7
reading DR for the
SCL pin.