HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 422

• 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)
12.4.4
SDCR specifies the method to refresh and access SDRAM, and the types of SDRAMs to be
connected.
Rev. 1.00 Dec. 27, 2005 Page 378 of 932
REJ09B0269-0100
Bit
31 to
21
20
19
18
17
16
15, 14 
13
Bit Name

A2ROW1
A2ROW0

A2COL1
A2COL0
DEEP
SDRAM Control Register (SDCR)
Initial
Value
All 0
0
0
0
0
0
All 0
0
R
R/W
R/W
R
R/W
R/W
R
R/W
R/W
Reserved
These bits are always read as 0. The write value should
always be 0.
Number of Bits of Row Address for Area 2
Specify the number of bits of row address for area 2.
00: 11 bits
01: 12 bits
10: 13 bits
11: Reserved (setting prohibited)
Reserved
This bit is always read as 0. The write value should always
be 0.
Number of Bits of Column Address for Area 2
Specify the number of bits of column address for area 2.
00: 8 bits
01: 9 bits
10: 10 bits
11: Reserved (setting prohibited)
Reserved
These bits are always read as 0. The write value should
always be 0.
Deep Power-Down Mode
This bit is valid for low-power SDRAM. If the RMODE bit is
set to 1 while this bit is set to 1, the deep power-down entry
command is issued and the low-power SDRAM enters the
deep power-down mode.
0: Self-refresh mode
1: Deep power-down mode
Description