HD64F3048VTF8 Renesas Electronics America, HD64F3048VTF8 Datasheet - Page 594
HD64F3048VTF8
Manufacturer Part Number
HD64F3048VTF8
Description
IC H8 MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.HD64F3048F16.pdf
(907 pages)
Specifications of HD64F3048VTF8
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
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)
2.7 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
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F3048VX8
- Current page: 594 of 907
- Download datasheet (6Mb)
Section 17 RAM
17.3
Operation
When the RAME bit is set to 1, the on-chip RAM is enabled. Accesses to addresses H'FEF10 to
H'FFF0F in the H8/3048 and H8/3047 in modes 1, 2, 5, and 7, addresses H'FFEF10 to H'FFFF0F
in the H8/3048 and H8/3047 in modes 3, 4, and 6, addresses H'FF710 to H'FFF0F in the H8/3045
and H8/3044 in modes 1, 2, 5, and 7, and addresses H'FFF710 to H'FFFF0F in the H8/3045 and
H8/3044 in modes 3, 4, and 6 are directed to the on-chip RAM. In modes 1 to 6 (expanded
modes), when the RAME bit is cleared to 0, the off-chip address space is accessed. In mode 7
(single-chip mode), when the RAME bit is cleared to 0, the on-chip RAM is not accessed: read
access always results in H'FF data, and write access is ignored.
Since the on-chip RAM is connected to the CPU by an internal 16-bit data bus, it can be written
and read by word access. It can also be written and read by byte access. Byte data is accessed in
two states using the upper 8 bits of the data bus. Word data starting at an even address is accessed
in two states using all 16 bits of the data bus.
Rev. 7.00 Sep 21, 2005 page 568 of 878
REJ09B0259-0700
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