DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 181
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
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-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.3.2
WSCR is used to specify the data bus width for external address space access, the number of
access states, the wait mode, and the number of wait states for access to external address spaces.
The bus width and the number of access states for internal memory and internal I/O registers are
fixed regardless of the WSCR settings.
Bit
7, 6
5
4
3
2
Bit Name
—
ABW
AST
WMS1
WMS0
Wait State Control Register (WSCR)
Initial Value
All 0
1
1
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits should not be written by 1.
Bus Width Control
Selects 8 or 16 bits for access to the external address
space.
0: 16-bit access space
1: 8-bit access space
Access State Control
Selects 2 or 3 access states for access to the external
address space. This bit also enables or disables wait-
state insertion.
0: 2-state access space. Wait state insertion disabled
1: 3-state access space. Wait state insertion enabled
Wait Mode Select 1, 0
Select the wait mode for access to the external
address space when the AST bit is set to 1.
00: Program wait mode
01: Wait disabled mode
10: Pin wait mode
11: Pin auto-wait mode
in external address space access
in external address space access
Rev. 3.00 Mar 21, 2006 page 125 of 788
Section 6 Bus Controller (BSC)
REJ09B0300-0300
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