HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 180

• Manufacturer Part Number: HD6417032F20V
• Description: SH1 ROMLESS LEAD FREE
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7030r

Specifications of HD6417032F20V

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 8 Bus State Controller (BSC)
Rev. 7.00 Jan 31, 2006 page 152 of 658
REJ09B0272-0700
control
control
Byte
Byte
A21–A0
A21–A0
CASH
CASH
CASL
CASL
WRH
WRH
WRL
WRL
Figure 8.21 Byte Access Control Timing for DRAM Access
RAS
RAS
CK
CK
(Upper Byte Write Cycle, Short Pitch)
T
T
p
p
(a) Dual CAS signals (CW2 = 0)
(b) Dual WE signals (CW2 = 1)
T
T
Row address
Row address
r
r
Fixed high
High
Fixed high
High
T
T
Column address
Column address
c
c