DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 577
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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14.3.18 IEBus Transmit/Runaway Status Register (IETSR)
IETSR detects transmit data ready, transmit start, transmit normal completion, transmit
completion with an error, or runaway states. Each status flags in IETSR corresponds to a bit in the
IEBus transmit/runaway interrupt enable register (IEIET) that enables or disables each interrupt.
Bit
7
6 to 4 ⎯
3
Bit Name
TxRDY
IRA
Initial
Value
1
All 0
0
R/W
R/W
⎯
R/W
Description
Transmit Data Ready
Indicates that the next data can be written to IETBR since
IETBR is empty. This flag is automatically cleared by DTC *
data transfer. When data is transmitted by the CPU, this
flag must be cleared by software. This flag is cleared by
writing 0 after reading a 1 from this flag.
[Setting conditions]
•
•
[Clearing conditions]
•
•
Reserved
These bits are always read as 0 and cannot be modified.
IEBus Runaway State
Indicates that the on-chip microprogram for IEBus control is
in the runaway states. This flag is set to 1 when a runaway
occurs during either IEBus transmission or reception. (This
flag is not a transfer specific flag and is also set for a
reception runaway.)
[Setting condition]
When the on-chip microprogram is in the runaway states
[Clearing condition]
When writing 0 after reading IRA = 1
Note: This flag is not cleared on the end byte of DTC
Immediately after reset
When data can be written to IETBR (: When IEB has
loaded data from IETBR to the transmit shift register)
When writing 0 after reading TxRDY = 1
When data is written to TBR by the DTC by a TxRDY
request.
Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
transfer.
Rev. 6.00 Mar. 18, 2010 Page 515 of 982
REJ09B0054-0600
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