HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 292
HD6412373R
Manufacturer Part Number
HD6412373R
Description
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6412373R.pdf
(1208 pages)
- Current page: 292 of 1208
- Download datasheet (9Mb)
Section 6 Bus Controller (BSC)
6.7.8
When the command interval specification from the ACTV command to the next READ/WRIT
command cannot be satisfied, 1 to 3 states (Trw) that output the NOP command can be inserted
between the Tr cycle that outputs the ACTV command and the Tc1 cycle that outputs the column
address by setting the RCD1 and RCD0 bits of DRACCR. Use the optimum setting for the wait
time according to the synchronous DRAM connected and the operating frequency of this LSI.
Figure 6.46 shows an example of the timing when the one Trw state is set.
Rev.7.00 Mar. 18, 2009 page 224 of 1136
REJ09B0109-0700
Figure 6.46 Example of Access Timing when Row Address Output Hold State Is 1 State
Row Address Output State Control
Read
Write
Address bus
DQMU, DQML
DQMU, DQML
Precharge-sel
Data bus
Data bus
SDRAMφ
(RCD1 = 0, RCD0 = 1, SDWCD = 0, CAS Latency 2)
CKE
CKE
RAS
RAS
CAS
CAS
WE
WE
φ
Column
address
PALL
PALL
T
p
ACTV
ACTV
T
r
Row address
Row address
NOP
High
High
T
rw
NOP
READ
T
c1
Column address
WRIT
T
cl
NOP
NOP
T
c2
Related parts for HD6412373R
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet: