HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 159
HD64F3029XBL25V
Manufacturer Part Number
HD64F3029XBL25V
Description
MCU 5V 512K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3029X25.pdf
(1012 pages)
Specifications of HD64F3029XBL25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
-
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When an arbitrary value has been set in DRAS2 to DRAS0, a write of a different value other than
000 must not be performed.
Bit 4—Reserved: This bit cannot be modified and is always read as 1.
Bit 3—Burst Access Enable (BE): Enables or disables burst access to DRAM space. DRAM
space burst access is performed in fast page mode.
Bit 3
BE
0
1
Bit 2—RAS Down Mode (RDM): Selects whether to wait for the next DRAM access with the
RAS signal held low (RAS down mode), or to drive the RAS signal high again (RAS up mode),
when burst access is enabled for DRAM space (BE = 1), and access to DRAM is interrupted.
Caution is required when the HWR and LWR are used as the UCAS and LCAS output pins. For
details, see RAS Down Mode and RAS Up Mode in section 6.5.10, Burst Operation.
Bit 2
RDM
0
1
Bit 1—Self-Refresh Mode (SRFMD): Specifies DRAM self-refreshing in software standby
mode.
When any of areas 2 to 5 is designated as DRAM space, DRAM self-refreshing is possible when a
transition is made to software standby mode after the SRFMD bit has been set to 1.
The normal access state is restored when software standby mode is exited, regardless of the
SRFMD setting.
Bit 1
SRFMD
0
1
Rev. 2.0, 06/04, page 130 of 980
Description
Burst disabled (always full access)
DRAM space access performed in fast page mode
Description
DRAM interface: RAS up mode selected
DRAM interface: RAS down mode selected
Description
DRAM self-refreshing disabled in software standby mode
DRAM self-refreshing enabled in software standby mode
(Initial value)
(Initial value)
(Initial value)
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