DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 392
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 392 of 1686
- Download datasheet (10Mb)
Section 9 Bus State Controller (BSC)
9.5.7
The burst ROM (clocked asynchronous) interface is used to access a memory with a high-speed
read function using a method of address switching called the burst mode or page mode. In a burst
ROM (clocked asynchronous) interface, basically the same access as the normal space is
performed, but the 2nd and subsequent access cycles are performed only by changing the address,
without negating the RD signal at the end of the 1st cycle. In the 2nd and subsequent access
cycles, addresses are changed at the falling edge of the CKIO.
For the 1st access cycle, the number of wait cycles specified by the W3 to W0 bits in CSnWCR is
inserted. For the 2nd and subsequent access cycles, the number of wait cycles specified by the W1
to W0 bits in CSnWCR is inserted.
In the access to the burst ROM (clocked asynchronous), the BS signal is asserted only to the first
access cycle. An external wait input is valid only to the first access cycle.
In the single access or write access that does not perform the burst operation in the burst ROM
(clocked asynchronous) interface, access timing is same as a normal space.
Table 9.20 lists a relationship between bus width, access size, and the number of bursts. Figure
9.35 shows a timing chart.
Table 9.20 Relationship between Bus Width, Access Size, and Number of Bursts
Rev. 3.00 Sep. 28, 2009 Page 360 of 1650
REJ09B0313-0300
Bus Width
8 bits
16 bits
Burst ROM (Clocked Asynchronous) Interface
Access Size
8 bits
16 bits
32 bits
16 bytes
8 bits
16 bits
32 bits
16 bytes
CSnWCR. BST[1:0] Bits Number of Bursts Access Count
Not affected
Not affected
Not affected
00
01
Not affected
Not affected
Not affected
00
01
10*
1
2
4
16
4
1
1
2
8
2
4
2, 4, 2
1
1
1
1
4
1
1
1
1
4
2
3
Related parts for DS72030W200FPV
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: