DF61657CN35FTV Renesas Electronics America, DF61657CN35FTV Datasheet - Page 159

• Manufacturer Part Number: DF61657CN35FTV
• Description: IC H8SX/1657 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61657CN35FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 35MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 82
• Program Memory Size: 768KB (768K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K 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: 120-TQFP, 120-VQFP
• For Use With: 3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

6.2.1
ABWCR specifies the data bus width for each area in the external address space.
[Legend]
×: Don't care
Notes: 1. Initial value at 16-bit bus initiation is H'FEFF, and that at 8-bit bus initiation is H'FFFF.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
Note: * Initial value at 16-bit bus initiation is H'FEFF, and that at 8-bit bus initiation is H'FFFF.
2. An address space specified as byte control SRAM interface must not be specified as 8-
Bit Name
ABWH7
ABWH6
ABWH5
ABWH4
ABWH3
ABWH2
ABWH1
ABWL0
ABWL7
ABWL6
ABWL5
ABWL4
ABWL3
ABWL2
ABWL1
ABWL0
Bus Width Control Register (ABWCR)
bit access space.
ABWH7
ABWL7
R/W
R/W
15
1
7
1
Initial
Value*
1
1
1
1
1
1
1
1/0
1
1
1
1
1
1
1
1
ABWH6
ABWL6
R/W
R/W
14
1
6
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ABWH5
ABWL5
R/W
R/W
13
1
5
1
Description
Area 7 to 0 Bus Width Control
These bits select whether the corresponding area is to be
designated as 8-bit access space or 16-bit access space.
ABWHn
×
0
1
ABWH4
ABWL4
R/W
R/W
12
1
4
1
ABWLn (n = 7 to 0)
0:
1:
1:
ABWH3
ABWL3
R/W
R/W
11
1
3
1
Setting prohibited
Area n is designated as 16-bit
access space
Area n is designated as 8-bit access
space*
Rev. 2.00 Jun. 28, 2007 Page 133 of 864
ABWH2
ABWL2
2
R/W
R/W
10
1
2
1
Section 6 Bus Controller (BSC)
ABWH1
ABWL1
R/W
R/W
9
1
1
1
REJ09B0341-0200
ABWH0
ABWL0
R/W
R/W
1/0
8
0
1