DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 536
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 15 Serial Communication Interface (SCI, IrDA)
Restrictions on Use of DTC
Rev. 4.00 Sep 27, 2006 page 490 of 1130
REJ09B0327-0400
When an external clock source is used as the serial clock, the transmit clock should not be
input until at least 5 clock cycles after TDR is updated by the DTC. Misoperation may occur
if the transmit clock is input within 4 clock cycles after TDR is updated. (Figure 15.24)
When RDR is read by the DTC, be sure to set the activation source to the relevant SCI receive-
data-full interrupt (RXI).
SCK
TDRE
Serial data
Note: When operating on an external clock, set t > 4 states.
Figure 15.24 Example of Synchronous Transmission by DTC
t
LSB
D0
D1
D2
D3
D4
D5
D6
D7
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