HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 541

no-image

HD6417144

Manufacturer Part Number
HD6417144
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD6417144F50V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD6417144FW50V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Figure 14.7 Example: Flowchart of Operations in the Master Transmit Mode
No
Write data for transmission to ICDR
No
No
No
Clear the IRIC flag in ICCR
Read the BBSY flag in ICCR
Read the ACKB bit in ICSR
No
Write transmit data to ICDR
Read the ACKB bit in ICSR
Read the IRIC flag in ICCR
Read the IRIC flag in ICCR
Clear the IRIC flag in ICCR
Read the IRIC flag in ICCR
Clear the IRIC flag in ICCR
Write 0 to the ACKE bit
and TRS = 1 (ICCR)
and SCP = 0 (ICCR)
and SCP = 0 (ICCR)
Transmit mode?
Write BBSY = 0
Write BBSY= 1
Initial setting
Transmission
BBSY = 0?
ACKB = 0?
(ACKB = 1?)
Set MST = 1
completed?
IRIC = 1?
IRIC = 1?
IRIC = 1?
in ICCR
Start
End
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
[1] Initial setting
[2] Determine the states of the SCL and SDA lines.
[3] Set master transmit mode
[4] Start condition issuance
[5] Wait for the start condition generation
[6] Set transmit data for the first byte (slave address + R/ W)
[7] Wait for 1 byte to be transmitted.
[8] Determine the acknowledge bit transferred from the
[9] Set transmit data for the second and subsequent bytes.
[10] Wait for 1 byte to be transmitted.
[11] Determine the end of transfer
[12] Stop condition issua
Master receive mode
(After writing to ICDR, clear IRIC sequentially)
specified slave device.
(After writing to ICDR, clear IRIC sequentially)
Rev.4.00 Mar. 27, 2008 Page 497 of 882
14. I
2
C Bus Interface (IIC) Option
REJ09B0108-0400

Related parts for HD6417144