HD64F2676VFC33 Renesas Electronics America, HD64F2676VFC33 Datasheet - Page 275
HD64F2676VFC33
Manufacturer Part Number
HD64F2676VFC33
Description
IC H8S MCU FLASH 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2676VFC33
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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6.7.14
To use synchronous DRAM, mode must be set after power-on. To set mode, set the RMTS2 to
RMTS0 bits in DRAMCR to H'5 and enable the synchronous DRAM mode register setting. After
that, access the continuous synchronous DRAM space in bytes. When the value to be set in the
synchronous DRAM mode register is X, value X is set in the synchronous DRAM mode register
by writing to the continuous synchronous DRAM space of address H'400000 + X for 8-bit bus
configuration synchronous DRAM and by writing to the continuous synchronous DRAM space of
address H'400000 + 2X for 16-bit bus configuration synchronous DRAM.
The value of the address signal is fetched at the issuance time of the MRS command as the setting
value of the mode register in the synchronous DRAM. Mode of burst read/burst write in the
synchronous DRAM is not supported by this LSI. For setting the mode register of the synchronous
DRAM, set the burst read/single write with the burst length of 1. Figure 6.59 shows the setting
timing of the mode in the synchronous DRAM.
Precharge-sel
Address bus
Mode Register Setting of Synchronous DRAM
SDRAM
CKE
RAS
CAS
WE
Figure 6.59 Synchronous DRAM Mode Setting Timing
PALL
T
p
NOP
T
Mode setting value
r
Mode setting value
High
Rev. 3.00 Mar 17, 2006 page 223 of 926
MRS
T
c1
Section 6 Bus Controller (BSC)
T
NOP
c2
REJ09B0283-0300
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