DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 1107

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• 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: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148ATE20; HD64F2148ATE20

BCR—Bus Control Register
Bit
Initial value
Read/Write
Reserved bit
ICIS1
R/W
7
1
Idle cycle insert 0
0
1
ICIS0
R/W
6
1
Idle cycle not inserted in case of successive
external read and external write cycles
Idle cycle inserted in case of successive
external read and external write cycles
Burst ROM enable
0
1
BRSTRM
R/W
Basic bus interface
Burst ROM interface
5
0
Burst cycle select 1
0
1
BRSTS1
Burst cycle comprises 1 state
Burst cycle comprises 2 states
R/W
4
1
Burst cycle select 0
0
1
IOS select
IOS1
Max. 4 words in burst access
Max. 8 words in burst access
0
1
Rev. 4.00 Sep 27, 2006 page 1061 of 1130
BRSTS0
R/W
H'FFC6
3
0
IOS0
0
1
0
1
Appendix B Internal I/O Registers
Address for which AS/IOS pin
output goes low when IOSE = 1
Low in access to address
H'(FF)F000 to H'(FF)F03F
Low in access to address
H'(FF)F000 to H'(FF)F0FF
Low in access to address
H'(FF)F000 to H'(FF)F3FF
Low in access to address
H'(FF)F000 to H'(FF)FE4F
R/W
—
2
1
IOS1
R/W
1
1
REJ09B0327-0400
Bus Controller
IOS0
R/W
0
1