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83C51KB 데이터시트 PDF




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부품번호 83C51KB 기능
기능 HIGH PERFORMANCE KEYBOARD MICROCONTROLLER
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83C51KB 데이터시트, 핀배열, 회로
83C51KB
HIGH PERFORMANCE
KEYBOARD MICROCONTROLLER
s Direct Drive LED Outputs
— Four Pins (P3.7:4)
— 13 mA Typical Current Sink
Capability
s 20 pF Cap On-chip for RC Resonator
— Frequency Selectable (4-6 MHz)
s 8 Dedicated Key Scan Input (KSI) Pins
— Schmitt-trigger Inputs
— External Interrupt
— Level Detect Interrupt Mode for
Automatic Power-down Exit
s 16 Dedicated Key Scan Output (KSO)
Pins with Quasi-bidirectional Port
Drivers
— No External Resistor Required
— Located on P0.7:0 and P2.7:0
s 4-Kbyte On-chip ROM Memory
s 128-byte On-chip RAM Memory
s Clock/Data Drivers to Motherboard
— Strong Pullup Drivers for Keyboard
Cable Communication
— 8X42 Compatible Interface
— Selectable external interrupt for
Clock
s ONCE mode (On-chip Emulation)
s Power-on Reset Mode
— Automatic Operation
s 5 Volt D.C. Operation
s Reduces Manufacturing Cost by
Reducing Overall Component Count
s Configurable Timer (16 bit or 2 by 8 Bit)
s Uses Industry Standard Design Tools
s Control Oriented Instruction Set
s Industry Standard Architecture
The 83C51KB is a highly integrated keyboard microcontroller for the standard and advanced desktop
keyboard industry. The integration of external components into the microcontroller reduces overall keyboard
control system manufacturing cost in terms of the number of components used, the amount of PCB space
required, reduced inventory, and a reduction in required assembly activities. In addition, the integration
reduces the number and amount of software routines needed for signal debounce and input status poll
operation. There is a resultant reduction in CPU overhead as well as on-chip memory requirements. The
83C51KB product line is manufactured with Intel state of the art complimentary high-performance metallic
oxide semiconductor (CHMOS) design rules.
Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of
any patent or copyright, for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products.
Intel retains the right to make changes to these specifications at any time, without notice. Microcontroller products may have minor varia-
tions to this specification known as errata.
COPYRIGHT © INTEL CORPORATION, 1996
March 1996
Order Number: 272800-001




83C51KB pdf, 반도체, 판매, 대치품
83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER
Parameter
Temperature and Burn-in
Options
Packaging Options
Program Memory Options
Process Information
Product Family
Device Memory Options
Device Speed
Table 2. 83C51KB Nomenclature Definitions
Options
Description
no mark Commercial operating temperature range (0°C to 70°C) with
Intel standard burn-in.
P Plastic Dual-in-line Package (PDIP)
3 Factory programmed ROM
C CHMOS
51 MCS 51 Compatible Product Family
KB 128 bytes RAM
4 Kbytes ROM
no mark 4-6 MHz
P1.0/KSI0
P1.1/KSI1
1
2
40 VCC
39 P0.0/KSO0/AD0
P1.2/KSI2
3
38 P0.1/KSO1/AD1
P1.3/KSI3
4
37 P0.2/KSO2/AD2
P1.4/KSI4
P1.5/KSI5
5
6
P83C51KB
36 P0.3/KSO3/AD3
35 P0.4/KSO4/AD4
P1.6/KSI6
7
34 P0.5/KSO5/AD5
P1.7/KSI7
8
33 P0.6/KSO6/AD6
RST
9
32 P0.7/KSO7/AD7
P3.0/DATA
10
31 EA#
P3.1
11
30 ALE
P3.2/CLK0/INT0#
12
29 PSEN#
P3.3/CLK1/INT1#
13
28 P2.7/KSO15/A15
P3.4/LED0/T0
14
View of
27 P2.6/KSO14/A14
P3.5/LED1
15
component
26 P2.5/KSO13/A13
P3.6/LED2/WR# 16 as mounted 25 P2.4/KSO12/A12
on PC board
P3.7/LED3/RD#
17
24 P2.3/KSO11/A11
NC 18
23 P2.2/KSO10/A10
RCIN
19
22 P2.1/KSO9/A9
VSS
20
21 P2.0/KSO8/A8
Figure 2. 83C51KB 40-pin DIP Diagram
A4248-01
4

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83C51KB 전자부품, 판매, 대치품
83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER
Table 5. 40-pin DIP Signals Arranged by Pin Number
Pin Name
Pin Name
1 P 1.0/KSI0
21 P2.0/KSO8/A8
2 P1.1/KSI1
22 P2.1/KSO9/A9
3 P1.2/KSI2
23 P2.2KSO10/A10
4 P1.3/KSI3
24 P2.3/KSO11/A11
5 P1.4/KSI4
25 P2.4/KSO12/A12
6 P1.5/KSI5
26 P2.5/KSO13/A13
7 P1.6/KSI6
27 P2.6/KSO14/A14
8 P1.7/KSI7
28 P2.7/KSO15/A15
9 RST
29 PSEN#
10 P3.0/DATA
30 ALE
11 P3.1
31 EA#
12 P3.2/CLK0/INT0#
32 P0.7/KSO7/AD7
13 P3.3/CLK1/INT1#
33 P0.6/KSO6/AD6
14 P3.4/LED0/T0
34 P0.5/KSO5/AD5
15 P3.5/LED1
35 P0.4/KSO4/AD4
16 P3.6/LED2/WR#
36 P0.3/KSO3/AD3
17 P3.7/LED3/RD#
37 P0.2/KSO2/AD2
18 NC
38 P0.1/KSO1/AD1
19 RCIN
39 P0.0/KSO0/AD0
20 VSS
40 VCC
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83C51KB

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Intel Corporation
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