DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 782
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 24 Clock Pulse Generator
24.3.2
Circuit Configuration
An external clock signal can be input as shown in the examples in figure 24.5. If the XTAL pin is
left open, make sure that stray capacitance is no more than 10 pF.
In example (b), make sure that the external clock is held high in standby mode, subactive mode,
subsleep mode, and watch mode.
Rev. 4.00 Sep 27, 2006 page 736 of 1130
REJ09B0327-0400
External Clock Input
EXTAL
XTAL
EXTAL
XTAL
Figure 24.5 External Clock Input (Examples)
(b) Complementary clock input at XTAL pin
(a) XTAL pin left open
Open
External clock input
External clock input
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