HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 743
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2239TF20I
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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8. Notes on Start Condition Issuance for Retransmission
Depending on the timing combination with the start condition issuance and the subsequently
writing data to ICDR, it may not be possible to issue the retransmission and the data
transmission after retransmission condition issuance.
After start condition issuance is done and determined the start condition, write the transmit
data to ICDR, as shown below. Figure 16.22 shows the timing of start condition issuance for
retransmission, and the timing for subsequently writing data to ICDR, together with the
corresponding flowchart.
Figure 16.22 Flowchart and Timing of Start Condition Instruction Issuance for
IRIC
SDA
SCL
Write transmit data to ICDR
[1] IRIC determination
Yes
Yes
Clear IRIC in ICSR
Write BBSY = 1,
SCP = 0 (ICSR)
ACK
Read SCL pin
Start condition
SCL = Low?
IRIC = 1?
issuance?
IRIC = 1?
9
Yes
Yes
[2] Detemination of SCL = Low
[3] (Restart) Start condition instruction issuance
No
No
No
No
Other processing
[1]
[2]
[3]
[4]
[5]
Retransmission
Start condition
(retransmission)
[4] IRIC determination
[1] Wait for end of 1-byte transfer
[2] Determine whether SCL is low
[3] Issue restart condition instruction for transmission
[4] Determine whether start condition is generated or not
[5] Set transmit data (slave address + R/W)
Note: Program so that processing from [3] to [5]
Section 16 I
Rev. 6.00 Mar. 18, 2010 Page 681 of 982
is executed continuously.
[5] ICDR write (next transmit data)
Data output
2
C Bus Interface (IIC) (Option)
Bit 7
REJ09B0054-0600
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