DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 1076
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
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
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Appendix B Internal I/O Registers
ICCR1—I
ICCR0—I
Rev. 4.00 Sep 27, 2006 page 1030 of 1130
REJ09B0327-0400
Note: * Only 0 can be written, to clear the flag.
I
2
Bit
Initial value
Read/Write
0
1
C bus interface enable
I
SCL and SDA signal pins set to port
function
SAR and SARX can be accessed
I
transfer operations (pins SCL and SDA
are driving the bus)
ICMR and ICDR can be accessed
2
2
C bus interface module disabled, with
C bus interface module enabled for
2
2
C Bus Control Register 1
C Bus Control Register 0
R/W
ICE
7
0
I
enable
2
0
1
C bus interface interrupt
IEIC
R/W
Interrupts disabled
Interrupts enabled
6
0
MST
R/W
5
0
Note: For details, see section 16.2.5, I
Master/slave select (MST), transmit/receive select (TRS)
TRS
R/W
0
1
4
0
0
1
0
1
Acknowledge bit judgement selection
Register (ICCR).
0
1
Slave receive mode
Slave transmit mode
Master receive mode
Master transmit mode
ACKE
Bus busy
The value of the acknowledge bit is ignored,
and continuous transfer is performed
If the acknowledge bit is 1, continuous
transfer is interrupted
H'FF88
H'FFD8
R/W
0
1
3
0
Bus is free
[Clearing condition]
When a stop condition is detected
Bus is busy
[Setting condition]
When a start condition is detected
Note: For the clearing and setting
I
2
0
1
C bus interface interrupt request flag
Start condition/stop condition
prohibit
0
1
Waiting for transfer, or transfer in
progress
Interrupt requested
BBSY
R/W
conditions, see section 16.2.5,
I
2
2
0
C Bus Control Register (ICCR).
Writing 0 issues a start or
stop condition, in combination
with the BBSY flag
Reading always returns a
value of 1; writing is ignored
R/(W) *
IRIC
1
0
2
C Bus Control
SCP
W
0
1
IIC1
IIC0
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