DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 199

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Figure 7.12 Setup Procedure for 2CAS
Column Address (16-Mbyte Mode)
Set bits CKS2 to CKS0 in RTMCSR
Set P8 DDR to 1 for
Wait for DRAM to be initialized
Set area 3 for 16-bit access
DRAM can be accessed
Write H'3B in RFSHCR
CAS
CAS 4-Mbit DRAM with 9-Bit Row Address and 9-Bit
CAS
1
Set RTCOR
CS
3
Rev. 3.00 Mar 21, 2006 page 169 of 814
output
Section 7 Refresh Controller
REJ09B0302-0300