DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 581
DF2238RTF6
Manufacturer Part Number
DF2238RTF6
Description
MCU 2.2/3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2238RTF6
Core Processor
H8S/2000
Core Size
16-Bit
Speed
6MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 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
HD64F2238RTF6
HD64F2238RTF6
HD64F2238RTF6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.3.20 IEBus Transmit Error Flag Register (IETEF)
IETEF checks the source of a TxE interrupt indicated in IETSR. This register detects an overflow
of a maximum number of bytes in one frame, arbitration loss, underrun error, timing error, and
NAK reception.
Bit
7 to 5 ⎯
4
3
Bit Name
AL
UE
Initial
Value
All 0
0
0
R/W
⎯
R/W
R/W
Description
Reserved
These bits are always read as 0 and cannot be modified.
Arbitration Loss
The IEB retransmits from the start bit for the number of
times specified by bits RN2 to Rn0 in IEMCR if the
arbitration has been lost in master communications. If the
arbitration has been lost for the specified number of times,
the AL and TxE flags are set to enter the wait state. If the
arbitration has been won within retransmit for the specified
number of times, this flag is not set to 1. This flag is set
only when the arbitration has been lost and the wait state is
entered.
[Setting condition]
When the arbitration has been lost during data
transmission and the transmission has been terminated
[Clearing condition]
When writing 0 after reading AL = 1
Underrun Error
Indicates that an underrun error has occurred during data
transmission. The IEB detects an underrun error
occurrence when the IEB fetches data from IETBR while
the TxRDY flag is set to 1, and the IEB sets the TxE flag
and enters the wait state. Accordingly, when the TxRDY
flag is not cleared even if data is written to IETBR, an
underrun error occurs and data transmission is terminated.
Note that the TxRDY flag must be cleared in data
transmission by the CPU.
[Setting condition]
When the IEB loads data from IETBR to the transmit shift
register while the TxRDY flag is set to 1
[Clearing condition]
When writing 0 after reading UE = 1
Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
Rev. 6.00 Mar. 18, 2010 Page 519 of 982
REJ09B0054-0600
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