DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 783
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
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
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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External Clock
The external clock signal should have the same frequency as the system clock ( ).
Table 24.4 and figure 24.6 show the input conditions for the external clock.
Table 24.4 External Clock Input Conditions
Table 24.5 shows the external clock output settling delay time, and figure 24.7 shows the external
clock output settling delay timing. The oscillator and duty adjustment circuit have a function for
adjusting the waveform of the external clock input at the EXTAL pin. When the prescribed clock
signal is input at the EXTAL pin, internal clock signal output is fixed after the elapse of the
Item
External clock
input low pulse
width
External clock
input high pulse
width
External clock
rise time
External clock
fall time
Clock low
pulse width
Clock high
pulse width
EXTAL
Symbol Min
t
t
t
t
t
t
EXL
EXH
EXr
EXf
CL
CH
t
EXr
Figure 24.6 External Clock Input Timing
40
40
—
—
0.4
80
0.4
80
V
CC
= 2.7 to 5.5 V
Max
—
—
10
10
0.6
—
0.6
—
t
EXH
Min
20
20
—
—
0.4
80
0.4
80
V
CC
= 5.0 V ±10%
Rev. 4.00 Sep 27, 2006 page 737 of 1130
Max
—
—
5
5
0.6
—
0.6
—
t
EXf
t
EXL
Section 24 Clock Pulse Generator
Unit
ns
ns
ns
ns
t
ns
t
ns
cyc
cyc
Test Conditions
Figure 24.6
V
< 5 MHz
< 5 MHz
CC
5 MHz Figure 26.5
5 MHz
REJ09B0327-0400
0.5
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