HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 661

IC H8 MCU FLASH 128K 100QFP

HD64F3048BF25

Manufacturer Part Number
HD64F3048BF25
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet

Specifications of HD64F3048BF25

Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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19.2.2
Circuit Configuration
An external clock signal can be input as shown in the examples in figure 19.5. The external clock
is input from the EXTAL pin. If the XTAL pin is left open, the stray capacitance should not
exceed 10 pF. If the stray capacitance at the XTAL pin exceeds 10 pF in configuration a, use
configuration b instead and hold the clock high in standby mode.
External Clock Input
Avoid
C
C
EXTAL
XTAL
EXTAL
XTAL
L2
L1
Figure 19.4 Example of Incorrect Board Design
Figure 19.5 External Clock Input (Examples)
b. Complementary clock input at XTAL pin
a. XTAL pin left open
Signal A
74HC04
Open
Signal B
Rev. 3.00 Sep 27, 2006 page 633 of 872
Section 19 Clock Pulse Generator
External clock input
External clock input
XTAL
EXTAL
H8/3048B Group
REJ09B0325-0300

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