HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 412

• Manufacturer Part Number: HD6417712BPV
• Description: MPU 1.5/3.3V 0K PB-FREE 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Ethernetr

Specifications of HD6417712BPV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, Ethernet, FIFO, SCI, SIO
• Peripherals: DMA, POR, WDT
• Number Of I /o: 24
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 12 Bus State Controller (BSC)
SDRAM*:
• CS2WCR
Rev. 1.00 Dec. 27, 2005 Page 368 of 932
REJ09B0269-0100
Bit
5 to 2
1
0
Bit
31 to
11
10
9
8
7
Bit Name

HW1
HW0
Bit Name



A2CL1
A2CL0
Initial
Value
All 0
0
0
Initial
Value
All 0
1
0
1
0
R/W
R
R/W
R/W
R/W
R
R
R
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Number of Delay Cycles from RD, WEn (BEn) negation to
Address, CSn negation
Specify the number of delay cycles from RD and WEn
(BEn) negation to address and CSn negation. These bits
can be specified only in area 4.
00: 0.5 cycle
01: 1.5 cycles
10: 2.5 cycles
11: 3.5 cycles
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Reserved
These bits are always read as 1. The write value should
always be 1.
Reserved
These bits are always read as 0. The write value should
always be 0.
CAS Latency for Area 2
Specify the CAS latency for area 2.
00: 1 cycle
01: 2 cycles
10: 3 cycles
11: 4 cycles