DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 517

• 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

User processing
Continuous Receive Operation:
Figure 16.21 shows the sample flowchart for the operations in slave receive mode (HNDS = 0).
(master output)
(master output)
(slave output)
(slave output)
SDA
ICDRS
ICDRR
ICDRF
SCL
SCL
SDA
Data (n-1)
IRIC
Data (n-2)
Figure 16.20 Example of Slave Receive Mode Operation Timing (2)
[7] SCL is fixed low until ICDR is read
Bit 0
[8] IRIC clear
[9] Set ACKB=1
8
Data (n-1)
A
[6]
9
[5] ICDR read (Data (n-1))
Bit 7
1
Bit 6
2
(MLS = 0, HNDS= 1)
Bit 5
Data (n-1)
3
Data (n)
Bit 4
4
Bit 3
5
[7] SCL is fixed low until ICDR is read
Bit 2
[8] IRIC clear
6
Section 16 I
Bit 1
Rev. 3.00 Mar 21, 2006 page 461 of 788
7
Bit 0
8
Data (n)
[6]
9
A
2
[10] ICDR read
C Bus Interface (IIC) (Optional)
(Data (n))
Data (n)
REJ09B0300-0300
Stop condition generation
[12] IRIC clear
[11]