DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 556
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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Section 16 I
When, with the I
must be checked in order to identify the source that set IRIC to 1. Although each source has a
corresponding flag, caution is needed at the end of a transfer.
When the TDRE or RDRF internal flag is set, the readable IRTR flag may or may not be set. The
IRTR flag (the DTC start request flag) is not set at the end of a data transfer up to detection of a
retransmission start condition or stop condition after a slave address (SVA) or general call address
match in I
Even when the IRIC flag and IRTR flag are set, the TDRE or RDRF internal flag may not be set.
The IRIC and IRTR flags are not cleared at the end of the specified number of transfers in
continuous transfer using the DTC. The TDRE or RDRF flag is cleared, however, since the
specified number of ICDR reads or writes have been completed.
Table 16.3 shows the relationship between the flags and the transfer states.
Table 16.3 Flags and Transfer States
MST TRS
1/0
1
1
1
1
0
0
0
0
0
0
0
0
Rev. 4.00 Sep 27, 2006 page 510 of 1130
REJ09B0327-0400
1/0
1
1
1/0
1/0
0
0
0
0
1/0
1/0
1
1/0
2
C bus format slave mode.
BBSY ESTP STOP IRTR AASX AL
0
0
1
1
1
1
1
1
1
1
1
1
0
2
C Bus Interface [Option]
2
C bus format selected, IRIC is set to 1 and an interrupt is generated, other flags
0
0
0
0
0
0
0
0
0
0
0
0
1/0
0
0
0
0
0
0
0
0
0
0
0
0
1/0
0
0
1
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
1/0
0
0
1
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
AAS
0
0
0
0
0
1/0
1
1
0
0
0
0
0
ADZ
0
0
0
0
0
1/0
0
1
0
0
0
0
0
ACKB State
0
0
0
0/1
0/1
0
0
0
0
0/1
0
1
0/1
Idle state (flag clearing
required)
Start condition issuance
Start condition established
Master mode wait
Master mode transmit/
receive end
Arbitration lost
SAR match by first frame in
slave mode
General call address match
SARX match
Slave mode
transmit/receive end
(except after SARX match)
Slave mode
transmit/receive end (after
SARX match)
Stop condition detected
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