DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 1108

• Manufacturer Part Number: DF2148RTE20IV
• Description: MCU 5V 128K I-TEMP,PB-FREE, 100-
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148RTE20IV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, 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 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Appendix B Internal I/O Registers
WSCR—Wait State Control Register
Rev. 4.00 Sep 27, 2006 page 1062 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
RAMS
R/W
Reserved bits
7
0
RAM0
R/W
Bus width control
6
0
0
1
External memory space designated as 16-bit access space
External memory space designated as 8-bit access space
ABW
R/W
5
1
Access state control
0
1
External memory space is designated as 2-state
access space
Wait state insertion in external memory space
accesses is disabled
External memory space is designated as 3-state
access space
Wait state insertion in external memory space
accesses is enabled
AST
R/W
4
1
Wait mode select 1 and 0
0
1
WMS1
R/W
H'FFC7
3
0
Wait count 1 and 0
0
1
0
1
0
1
WMS0
Program wait mode
Wait disabled mode
Pin wait mode
Pin auto-wait mode
R/W
2
0
0
1
0
1
No program wait
states are inserted
1 program wait state
is inserted in external
memory space
accesses
2 program wait states
are inserted in external
memory space
accesses
3 program wait states
are inserted in external
memory space
accesses
WC1
R/W
1
1
Bus Controller
WC0
R/W
0
1