DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 579
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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16.3.6
The interrupt request flag (IRIC) is set at different times depending on the WAIT bit in ICMR, the
FS bit in SAR, and the FSX bit in SARX. If the TDRE or RDRF internal flag is set to 1, SCL is
automatically held low after one frame has been transferred; this timing is synchronized with the
internal clock. Figure 16.12 shows the IRIC set timing and SCL control.
(a) When WAIT = 0, and FS = 0 or FSX = 0 (I
(b) When WAIT = 1, and FS = 0 or FSX = 0 (I
(c) When FS = 1 and FSX = 1 (synchronous serial format)
IRIC Setting Timing and SCL Control
SCL
SDA
IRIC
User processing
SCL
SDA
IRIC
User processing
SCL
SDA
IRIC
User processing
Figure 16.12 IRIC Setting Timing and SCL Control
8
8
7
7
7
7
8
8
8
8
Clear
IRIC
Clear IRIC
Clear IRIC
9
A
A
9
2
2
C bus format, no wait)
C bus format, wait inserted)
Clear
IRIC
Rev. 4.00 Sep 27, 2006 page 533 of 1130
Write to ICDR (transmit)
or read ICDR (receive)
Section 16 I
Write to ICDR (transmit)
or read ICDR (receive)
Write to ICDR (transmit)
or read ICDR (receive)
2
C Bus Interface [Option]
1
1
1
1
1
1
REJ09B0327-0400
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