DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 717
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
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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16.4.2
At startup the following procedure is used to initialize the IIC.
Note: The ICMR register should be written to only after transmit or receive operations have
16.4.3
In I
data, and the slave device returns an acknowledge signal.
2
C bus format master transmit mode, the master device outputs the transmit clock and transmit
completed.
Writing to the ICMR register while a transmit or receive operation is in progress could
cause an erroneous value to be written to bit counter bits BC2 to BC0. This could result in
improper operation.
Master Transmit Operation
Initial Setting
Set MSTPB4 = 0 (IIC0)
Transmit/receive start
Set IICE = 1 (SCRX)
Set SAR and SARX
MSTPB3 = 0 (IIC1)
Set ICE = 0 (ICCR)
Set ICE = 1 (ICCR)
Start initialization
(MSTPCRB)
Set SCRX
Set ICMR
Set ICCR
Set ICSR
Figure 16.6 Flowchart for IIC Initialization (Example)
Clear module stop.
Enable CPU access by IIC control register and data register.
Enable SAR and SARX access.
Set transfer format for 1st slave address, 2nd slave address,
and IIC (SVA8 to SVA0, FS, SVAX6 to SVAX0, FSX).
Enable IMCR and IMDR access. Use SCL and SDA pins is IIC
port.
Set acknowledge bit (ACKB).
Set transfer rate (IICX).
Set transfer format, wait insertion, and transfer rate (MLS,
WAIT, CKS2 to CKS0).
Set interrupt enable, transfer mode, and acknowledge
judgment (IEIC, MST, TRS, ACKE).
Section 16 I
Rev. 6.00 Mar. 18, 2010 Page 655 of 982
2
C Bus Interface (IIC) (Option)
REJ09B0054-0600
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