HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 718

• Manufacturer Part Number: HD64F2239TF20I
• Description: MCU 3V 384K I-TEMP 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2200r

Specifications of HD64F2239TF20I

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 16 I
Figure 16.7 is a flowchart showing an example of the master transmit mode.
Rev. 6.00 Mar. 18, 2010 Page 656 of 982
REJ09B0054-0600
2
C Bus Interface (IIC) (Option)
Figure 16.7 Flowchart for Master Transmit Mode (Example)
No
No
No
No
No
Write transmit data to ICDR
Write transmit data to ICDR
Read BBSY flag in ICCR
Read ACKB bit in ICSR
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Read ACKB bit in ICSR
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
and TRS = 1 (ICCR)
and SCP = 0 (ICCR)
Write ACKE = 0 (ICCR)
Write BBSY = 0 and
Transmit complete?
Transmit mode?
Write BBSY = 1
(Clear ACKB = 0)
SCP = 0 (ICCR)
Initial settings
Set MST = 1
(ACKB = 1?)
ACKB = 0?
BBSY = 0?
IRIC = 1?
IRIC = 1?
IRIC = 1?
Yes
Start
End
Yes
Yes
Yes
Yes
Yes
Yes
No
No
[1] Initial settings.
[2] Determine status of SCL and SDA lines.
[3] Set to master transmit mode.
[4] Generate start condition.
[5] Wait for start condition to be met.
[6] Set 1st byte (slave address + R/W) transmit data.
[7] Wait for end of 1 byte transmission.
[8] Judge acknowledge signal from specified.
[9] Set transmit data for 2nd byte onward.
[10] Wait for end of 1 byte transmission.
[11] Judge end of transmission.
[12] Generate stop condition.
Master receive mode
(Perform ICDR write and IRIC flag clear
operations continuously.)
slave device.
(Perform ICDR write and IRIC flag clear
operations continuously.)