DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 551
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 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
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
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Manufacturer:
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Bit 6—I
bus interface to the CPU.
Bit 5—Master/Slave Select (MST)
Bit 4—Transmit/Receive Select (TRS)
MST selects whether the I
TRS selects whether the I
In master mode with the I
hardware, causing a transition to slave receive mode. In slave receive mode with the addressing
format (FS = 0 or FSX = 0), hardware automatically selects transmit or receive mode according to
the R/W bit in the first frame after a start condition.
Modification of the TRS bit during transfer is deferred until transfer of the frame containing the
acknowledge bit is completed, and the changeover is made after completion of the transfer.
MST and TRS select the operating mode as follows.
Bit 7
ICE
0
1
Bit 6
IEIC
0
1
2
C Bus Interface Interrupt Enable (IEIC): Enables or disables interrupts from the I
Description
I
I
SAR and SARX can be accessed
I
driving the bus)
ICMR and ICDR can be accessed
Description
Interrupts disabled
Interrupts enabled
2
2
2
C bus interface module disabled, with SCL and SDA signal pins set to port function
C bus interface module internal states initialized
C bus interface module enabled for transfer operations (pins SCL and SCA are
2
2
2
C bus interface operates in transmit mode or receive mode.
C bus format, when arbitration is lost, MST and TRS are both reset by
C bus interface operates in master mode or slave mode.
Rev. 4.00 Sep 27, 2006 page 505 of 1130
Section 16 I
2
C Bus Interface [Option]
REJ09B0327-0400
(Initial value)
(Initial value)
2
C
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