DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 509

• 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

Figure 16.15 Sample Flowchart for Operations in Master Receive Mode
No
No
Clear IRIC flag in ICCR
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
Set HNDS = 0 in ICXR
Read IRIC flag in ICCR
Set ACKB = 0 in ICSR
Set ACKB = 1 in ICSR
Set TRS = 0 in ICCR
Set WAIT = 0 in ICMR
Set TRS = 1 in ICCR
Set WAIT = 0 in ICMR
Slave receive mode
Set BBSY = 0 and
SCP = 0 in ICCR
(Receiving a Single Byte) (WAIT = 1)
Read ICDR
Read ICDR
IRIC = 1?
IRIC = 1?
End
Yes
Yes
[1] Select receive mode.
[2] Start receiving. The first read
[3] Wait for a receive wait
[7] Set acknowledge data for
[9] Set TRS for stop condition issuance
[11] Clear IRIC flag.
[12] Wait for 1 byte to be received.
[15] Clear wait mode.
[16] Read the last receive data
[17] Generate stop condition
is a dummy read.
(Set IRIC at the fall of the 8th clock)
the last reception.
(to end the wait insertion)
(Set IRIC at the rise of the 9th clock)
Clear IRIC flag.
(IRIC flag should be cleared to 0
after setting WAIT = 0.)
Section 16 I
Rev. 3.00 Mar 21, 2006 page 453 of 788
2
C Bus Interface (IIC) (Optional)
REJ09B0300-0300