DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 199

• Manufacturer Part Number: DF3048X16V
• Description: MCU 5V 128K,PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048X16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: -

2CAS
wide DRAM: one using UCAS and LCAS; the other using UW and LW. These DRAM pins
correspond to H8/3048 Group pins as shown in table 7.6.
Table 7.6
H8/3048 Group Pin
HWR
LWR
RD
CS
Figure 7.5 (1) shows the interface timing for 2WE DRAM. Figure 7.5 (2) shows the interface
timing for 2CAS DRAM.
CAS
CAS and 2WE
CAS
Address
bus
(
(
(
(
Note:
3
CS
RAS
RD
CAS
HWR
UW
LWR
LW
RFSH
AS
3
)
)
)
)
*
16-bit access
WE
WE
WE Modes: The CAS/WE bit in RFSHCR can select two control modes for 16-bit-
DRAM Pins and H8/3048 Group Pins
Figure 7.5(1) DRAM Control Signal Output Timing (2WE
Row
Read cycle
CAS/WE
UW
LW
CAS
RAS
Column
WE
WE = 0 (2WE
WE
Row
WE
WE Mode)
WE
Write cycle
Column
*
Rev. 7.00 Sep 21, 2005 page 173 of 878
DRAM Pin
CAS/WE
UCAS
LCAS
WE
RAS
WE
WE
WE = 1 (2CAS
Section 7 Refresh Controller
Area 3 top address
Refresh cycle
WE Mode)
WE
WE
CAS
CAS Mode)
CAS
REJ09B0259-0700