HD6417606 RENESAS [Renesas Technology Corp], HD6417606 Datasheet - Page 520

• Manufacturer Part Number: HD6417606
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 4.00 Sep. 13, 2007 Page 494 of 502
REJ09B0239-0400
Item
Figure 12.13 Sample Flowchart for
Transmitting Serial Data
Figure 12.18 Sample Flowchart for
Transmitting/Receiving Serial Data
Figure 19.18 Synchronous DRAM Burst
Read Bus Cycle (Single Read × 4)
(Auto-Precharge, CAS Latency = 2, WTRCD
= 0 Cycle, WTRP = 1 Cycle)
Figure 19.19 Synchronous DRAM Burst
Read Bus Cycle (Single Read × 4)
(Auto-Precharge, CAS Latency = 2, WTRCD
= 1 Cycle, WTRP = 0 Cycle)
Page
289
293
460
461
Revision (See Manual for Details)
Amended.
Amended.
Amended.
Amended.
A25 to A0
A25 to A0
CKIO
CKIO
Write transmit data to SCFTDR
Read TDFE and TEND flags
in SCFSR while they are 1, then
clear them to 0
No
Read TDFE flag in SCFSR
Start of transmission and reception
All data transmitted?
Start of transmission
Write transmit data to SCFTDR
Read TDFE and TEND flags
in SCFSR while they are 1, then
clear them to 0
Read TDFE flag in SCFSR
t
AD1
TDFE = 1?
t
AD1
Tr
Tr
Row
address
Initialization
TDFE = 1?
Row
address
Yes
t
Trw
AD1
Yes
Tc1
Column
address
t
AD1
Tc1
Column
address
t
AD1
Tc2
Column
address
t
AD1
No
No
Tc2
Column
address
[1]
t
AD1
Td1
Tc3
Column
address
t
AD1
[1]
[2]
Td1
Tc3
Column
address
t
AD1
Td2
Tc4
t
AD1
Td2
Tc4
[1] SCIF status check and transmit data
[2] Serial transmission continuation
[1] SCIF status check and transmit data
[2] Receive error handling:
write:
TDFE flag is set to 1, then write
transmit data to SCFTDR. Read the
TDFE and TEND flags while they are
1, then clear them to 0.
procedeure:
1 from the TDFE flag to confirm that
writing is possible, then write data to
SCFTDR, and then clear the TDFE
flag to 0.
Read SCFSR and check that the
To continue serial transmission, read
Td3
Read SCFSR and check that the
write:
TDFE flag is set to 1, then write
transmit data to SCFTDR. Read the
TDFE and TEND flags while they are
1, then clear them to 0. The transition
of the TDFE flag from 0 to 1 can also
be identified by a TXI interrupt.
identify any error, perform the
appropriate error handling, then clear
the ORER flag to 0.
Transmission/reception cannot be
resumed while the ORER flag is set
to 1.
Read the ORER flag in SCLSR to
Td3
Column
address
Column
address
Td4
Td4
Tde
Tde
t
t
AD1
AD1