HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 155
![IC H8 MCU FLASH 128K 100QFP](/photos/12/21/122166/qfp100-g1_pkg_sml.jpg)
HD64F3048BF25
Manufacturer Part Number
HD64F3048BF25
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3048BF25V.pdf
(903 pages)
Specifications of HD64F3048BF25
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)
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-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F3048BF25
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD64F3048BF25V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 155 of 903
- Download datasheet (5Mb)
Bits 7 to 0—Areas 7 to 0 Bus Width Control (ABW7 to ABW0): These bits select 8-bit access
or 16-bit access to the corresponding address areas.
ABWCR specifies the bus width of external memory areas. The bus width of on-chip memory and
internal I/O registers is fixed and does not depend on ABWCR settings. These settings are
therefore meaningless in single-chip mode (mode 7).
6.2.2
ASTCR is an 8-bit readable/writable register that selects whether each area is accessed in two
states or three states.
ASTCR is initialized to H'FF by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 7 to 0—Areas 7 to 0 Access State Control (AST7 to AST0): These bits select whether the
corresponding area is accessed in two or three states.
ASTCR specifies the number of states in which external areas are accessed. On-chip memory and
internal I/O registers are accessed in a fixed number of states that does not depend on ASTCR
settings. These settings are therefore meaningless in single-chip mode (mode 7).
Bits 7 to 0:
ABW7 to ABW0
0
1
Bits 7 to 0:
AST7 to AST0
0
1
Bit
Initial value
Read/Write
Access State Control Register (ASTCR)
AST7
R/W
7
1
Description
Areas 7 to 0 are 16-bit access areas
Areas 7 to 0 are 8-bit access areas
Description
Areas 7 to 0 are accessed in two states
Areas 7 to 0 are accessed in three states
AST6
Bits selecting number of states for access to each area
R/W
6
1
AST5
R/W
5
1
AST4
R/W
4
1
Rev. 3.00 Sep 27, 2006 page 127 of 872
AST3
R/W
3
1
AST2
R/W
2
1
Section 6 Bus Controller
AST1
R/W
REJ09B0325-0300
1
1
(Initial value)
AST0
R/W
0
1
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