DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 481

• 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

Bit
5
4
3
Bit Name
MST
TRS
ACKE
Initial Value R/W
0
0
0
R/W
R/W
Description
[MST clearing conditions]
1. When 0 is written by software
2. When lost in bus contention in I
[MST setting conditions]
1. When 1 is written by software (for MST clearing
2. When 1 is written in MST after reading MST = 0 (for
[TRS clearing conditions]
1. When 0 is written by software (except for TRS setting
2. When 0 is written in TRS after reading TRS = 1 (for
3 When lost in bus contention in I
4. When the SW bit in DDCSWR is changed from 1 to 0
[TRS setting conditions]
1. When 1 is written by software (except for TRS clearing
2. When 1 is written in TRS after reading TRS = 0 (for
3. When 1 is received as the R/W bit after the first frame
Acknowledge Bit Decision and Selection
0: The value of the acknowledge bit is ignored, and
1: If the received acknowledge bit is 1, continuous
Depending on the receiving device, the acknowledge bit
may be significant, in indicating completion of processing
of the received data, for instance, or may be fixed at 1 and
have no significance.
mode
condition 1)
MST clearing condition 2)
condition 3)
TRS setting condition 3)
mode
conditions 3 and 4)
TRS clearing conditions 3 and 4)
address matching in I
continuous transfer is performed. The value of the
received acknowledge bit is not indicated by the ACKB
bit in ICSR, which is always 0.
transfer is halted.
Section 16 I
Rev. 3.00 Mar 21, 2006 page 425 of 788
2
C bus format slave mode
2
C Bus Interface (IIC) (Optional)
2
2
C bus format master
C bus format master
REJ09B0300-0300