HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 147
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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6.2
6.2.1
ABWCR is an 8-bit readable/writable register that selects 8-bit or 16-bit access for each area.
When ABWCR contains H'FF (selecting 8-bit access for all areas), the chip operates in 8-bit bus
mode: the upper data bus (D
bit is cleared to 0 in ABWCR, the chip operates in 16-bit bus mode with a 16-bit data bus (D
D
mode. In modes 2 and 4, ABWCR is initialized to H'00 by a reset and in hardware standby mode.
It is not initialized in software standby mode.
Bits 7 to 0—Area 7 to 0 Bus Width Control (ABW7 to ABW0): These bits select 8-bit access
or 16-bit access for the corresponding areas.
Bits 7 to 0
ABW7 to ABW0
0
1
ABWCR specifies the data bus width of external memory areas. The data bus width of on-chip
memory and registers is fixed, and does not depend on ABWCR settings. These settings are
therefore meaningless in the single-chip modes (mode 7).
Rev. 2.0, 06/04, page 118 of 980
Bit
Modes
1, 3, 5,
and 7
Modes
2 and 4
0
). In modes 1, 3, 5, and 7, ABWCR is initialized to H'FF by a reset and in hardware standby
Register Descriptions
Bus Width Control Register (ABWCR)
Initial value
Read/Write
Initial value
Read/Write
Description
Areas 7 to 0 are 16-bit access areas
Areas 7 to 0 are 8-bit access areas
ABW7
R/W
R/W
7
1
0
15
to D
ABW6
R/W
R/W
6
1
0
8
) is valid, and port 4 is an input/output port. When at least one
ABW5
R/W
R/W
5
1
0
ABW4
R/W
R/W
4
1
0
ABW3
R/W
R/W
3
1
0
ABW2
R/W
R/W
2
1
0
ABW1
R/W
R/W
1
1
0
ABW0
R/W
R/W
15
0
1
0
to
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