DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 593
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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SCL
Internal clock
SDA
BBSY bit
Clearing of the MST bit after completion of master transmission/reception, or other
modifications of IIC control bits to change the transmit/receive operating mode or settings,
must be carried out during interval (a) in figure 16.18 (after confirming that the BBSY bit has
been cleared to 0 in the ICCR register).
Notes on Start Condition Issuance for Retransmission
Figure 16.19 shows the timing of start condition issuance for retransmission, and the timing for
subsequently writing data to ICDR, together with the corresponding flowchart. After start
condition issuance is done and determined the start condition, write the transmit data to ICDR,
as shown below.
Figure 16.18 Points for Attention Concerning Reading of Master Receive Data
Master receive mode
Bit 0
8
A
9
Execution of stop
condition issuance
instruction
(0 written to BBSY
and SCP)
ICDR reading
prohibited
Confirmation of stop
condition generation
(0 read from BBSY)
Rev. 4.00 Sep 27, 2006 page 547 of 1130
Stop condition
Section 16 I
(a)
2
C Bus Interface [Option]
Start condition
issuance
REJ09B0327-0400
Start condition
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