DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 585

• 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

No
No
No
Read AAS and ADZ in ICSR
Set ACKB = 0 in ICSR
Set ACKB = 0 in ICSR
and TRS = 0 in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Read TRS in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Figure 16.16 Flowchart for Slave Receive Mode (Example)
Last receive?
and ADZ = 0?
Set MST = 0
Read ICDR
Read ICDR
Read ICDR
IRIC = 1?
IRIC = 1?
IRIC = 1?
TRS = 0?
Initialize
AAS = 1
Start
End
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
General call address processing
Slave transmit mode
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
* Description omitted
[1] Select slave receive mode.
[2] Wait for the first byte to be received (slave
[3] Start receiving. The first read is a dummy read.
[4] Wait for the transfer to end.
[5] Set acknowledge data for the last receive.
[6] Start the last receive.
[7] Wait for the transfer to end.
[8] Read the last receive data.
address).
Rev. 4.00 Sep 27, 2006 page 539 of 1130
Section 16 I
2
C Bus Interface [Option]
REJ09B0327-0400