HD64F2134FA20 Renesas Electronics America, HD64F2134FA20 Datasheet - Page 558

• Manufacturer Part Number: HD64F2134FA20
• Description: IC H8S MCU FLASH 128K 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of HD64F2134FA20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 58
• 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: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 16 I
Rev. 4.00 Jun 06, 2006 page 502 of 1004
REJ09B0301-0400
2
C Bus Interface [H8S/2138 Group Option]
Figure 16.15 Flowchart for Master Receive Mode (Example)
No
No
No
No
Set WAIT = 1 in ICMR
Set ACKB = 0 in ICSR
Set ACKB = 1 in ICSR
and SCP = 0 in ICCR
Set WAIT = 0 in ICMR
Master receive mode
Set TRS = 1 in ICCR
Set TRS = 0 in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Clear IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Write BBSY = 0
Last receive ?
Last receive ?
Read ICDR
Read ICDR
Read ICDR
IRIC = 1?
IRIC = 1?
IRIC = 1?
IRIC=1?
End
Yes
No
Yes
Yes
No
Yes
Yes
Yes
[1] Select receive mode
[2] Start receiving. The first read is a dummy
[3] Wait for 1 byte to be received.
[4] Clear IRIC to trigger the 9th clock.
[5] Wait for 1 byte to be received.
[6] Read the received data.
[7] Clear IRIC
[8] Wait for the next data to be received.
[9] Clear IRIC
[10] Set ACKB = 1 so as to return no
[11] Clear IRIC
[12] Wait for 1 byte to be received.
[13] Set WAIT = 0.
[14] Stop condition issuance.
read. After reading ICDR, please clear
IRIC immediately.
(8th clock falling edge)
(to end the wait insertion)
(9th clock rising edge)
(8th clock falling edge)
(to end the wait insertion)
acknowledge, and set TRS = 1 so as not
to issue extra clock.
(to end the wait insertion)
Read ICDR.
Clear IRIC.
(Note: After setting WAIT = 0, IRIC
should be cleared to 0)