DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 605
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
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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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Provided in the H8S/2148 Group and H8S/2147N; not provided in the H8S/2144 Group.
17.1
The H8S/2148 Group and H8S/2147N have three on-chip keyboard buffer controller channels,
designated 0, 1, and 2. The keyboard buffer controller is provided with functions conforming to
the PS/2 interface specifications.
Data transfer using the keyboard buffer controller employs a data line (KD) and a clock line,
providing economical use of connectors, board surface area, etc. Figure 17.1 shows how the
keyboard buffer controller is connected.
17.1.1
Conforms to PS/2 interface specifications
Direct bus drive (via the KCLK and KD pins)
Interrupt sources: on completion of data reception and on detection of clock edge
Error detection: parity error and stop bit monitoring
Overview
Features
Section 17 Keyboard Buffer Controller
Rev. 4.00 Sep 27, 2006 page 559 of 1130
Section 17 Keyboard Buffer Controller
REJ09B0327-0400
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