DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 747
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
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Part Number
Manufacturer
Quantity
Price
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Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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13. Notes on ICDR Reads in Transmit Mode and ICDR Writes in Receive Mode
14. Notes on ACKE Bit and TRS Bit in Slave Mode
15. Notes on Arbitration Lost in Master Mode
When attempting to read ICDR in the transmit mode (TRS = 1) or write to ICDR in the receive
mode (TRS = 0) under certain conditions, the SCL pin may not be held low after the
completion of the transmit or receive operation and a clock may not be output to the SCL bus
line before the ICDR register access operation can take place properly.
When accessing ICDR, always change the setting to the transmit mode before performing a
read operation, and always change the setting to the receive mode before performing a write
operation.
When using the I
1 is received as an acknowledge bit (ACKB = 1) in the transmit mode (TRS = 1), an interrupt
may be generated at the rising edge of the 9th clock cycle if the address does not match.
When performing slave mode operations using the IIC bus interface module, make sure to do
the following.
(1) When a 1 is received as an acknowledge bit for the final transmit data after completing a
(2) In the slave mode, change the setting to the receive mode (TRS = 0) before the start
The I
arbitration is lost in master mode and a transition to slave receive mode is automatically
carried out.
When arbitration is lost not in the first frame but in the second frame or subsequent frame,
transmit/receive data that is not an address is compared with the value set in the SAR or SARX
register as an address. If the receive data matches with the address in the SAR or SARX
register, the I
figure 16.27.)
In multi-master mode, a bus conflict could happen. When The I
master mode, check the state of the AL bit in the ICSR register every time after one frame of
data has been transmitted or received.
When arbitration is lost during transmitting the second frame or subsequent frame, take
avoidance measures.
series of transmit operations, clear the ACKE bit in the ICCR register to 0 to initialize the
ACKB bit to 0.
condition is input. To ensure that the switch from the slave transmit mode to the slave
receive mode is accomplished properly, end the transmission as described in figure 16.17.
2
C bus interface recognizes the data in transmit/receive frame as an address when
2
C bus interface erroneously recognizes that the address call has occurred. (See
2
C bus interface, if an address is received in the slave mode immediately after
Section 16 I
Rev. 6.00 Mar. 18, 2010 Page 685 of 982
2
C bus interface is operated in
2
C Bus Interface (IIC) (Option)
REJ09B0054-0600
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