DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 627
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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17.3.9
When KBIOE is 0, the internal KCLK and internal KD settings are fixed at 1.
Therefore, if the KCLK pin is low when the KBIOE bit is set to 1, the edge detection circuit
operates and the KCLK falling edge is detected.
If the KBFSEL bit and KBE bit are both 0 at this time, the KBF bit is set. Figure 17.14 shows the
timing of KBIOE setting and KCLK falling edge detection.
KCLK (pin)
Internal KCLK
(KCLKI)
KBIOE
Falling edge
signal
KBFSEL
KBE
KBF
Usage Note
Figure 17.14 KBIOE Setting and KCLK Falling Edge Detection Timing
T1
T2
Rev. 4.00 Sep 27, 2006 page 581 of 1130
Section 17 Keyboard Buffer Controller
REJ09B0327-0400
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