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83C198 Schematic ( Datenblatt PDF ) - Intel Corporation

Teilenummer 83C198
Beschreibung COMMERCIAL/EXPRESS CHMOS MICROCONTROLLER
Hersteller Intel Corporation
Logo Intel Corporation Logo 

Gesamt 19 Seiten
		
83C198 Datasheet, Funktion
www.DataSheet4U.com
8XC198
COMMERCIAL EXPRESS CHMOS MICROCONTROLLER
8 Kbytes of OTPROM
Y 8 Kbytes of On-Chip OTPROM or ROM
Y 232 Byte Register File
Y Register-to-Register Architecture
Y 28 Interrupt Sources 16 Vectors
Y 1 75 ms 16 x 16 Multiply (16 MHz)
Y 3 0 ms 32 16 Divide (16 MHz)
Y Powerdown and Idle Modes
Y 16-Bit Watchdog Timer
Y 8-Bit External Bus
Y 16 MHz Standard
Y Full Duplex Serial Port
Y High Speed I O Subsystem
Y 16-Bit Timer
Y 16-Bit Counter
Y Pulse-Width-Modulated Output
Y Four 16-Bit Software Timers
Y 10-Bit A D Converter with Sample Hold
Y Extended Temperature Available
The 8XC198 family offers low-cost entry into Intel’s powerful MCS -96 16-bit microcontroller architecture
Intel’s CHMOS process provides a high performance processor along with low power consumption To further
reduce power requirements the processor can be placed into Idle or Powerdown Mode
The 8XC198 is the 8-bit bus version of the 8XC196KB The prefixes mean 80 (ROMless) 83 (ROM) 87 (OTP)
One Time Programmable The ROM and OTP are available in 8 Kbytes
Bit byte word and some 32-bit operations are available on the 8XC198 With a 16 MHz oscillator a 16-bit
addition takes 0 50 ms and the instruction times average 0 37 ms to 1 1 ms in typical applications
Four high-speed capture inputs are provided to record times when events occur Six high-speed outputs are
available for pulse or waveform generation The high-speed output can also generate four software timers or
start an A D conversion Events can be based on the timer or counter Also provided on-chip are an A D
converter serial port watchdog timer and a pulse-width-modulated output signal
With the commercial (standard) temperature option operational characteristics are guaranteed over the tem-
perature range of 0 C to a70 C Wth the extended temperature range option operational characteristics are
guaranteed over the temperature range of b40 C to a85 C
MCS -96 is a registered trademark of Intel Corporation
Other brands and names are the property of their respective owners
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 Microcomputer Products may have minor variations to this specification known as errata
COPYRIGHT INTEL CORPORATION 1995
October 1992
Order Number 272034-003






83C198 Datasheet, Funktion
8XC198
PIN DESCRIPTIONS (Continued)
Symbol
Name and Function
Port 2
Multi-functional port All of its pins are shared with other functions in the 80C198
Ports 3 and 4
8-bit bidirectional I O ports with open drain outputs These pins are shared with
the multiplexed address data bus which has strong internal pullups Available as
I O only on the ROM and EPROM devices
TxD The TxD pin is used for serial port transmission in Modes 1 2 and 3 In mode 0 the
pin is used as the serial clock output
RxD Serial Port Receive pin used for serial port reception In mode 0 the pin functions
as input or output data
EXTINT
A positive transition on the EXTINT pin will generate an external interrupt
T2CLK
The T2CLK pin is the Timer2 clock input or the serial port baud rate generator
input
T2RST
A rising edge on the T2RST pin will reset Timer2
PWM
The PWM output
PMODE
Programming Mode Select Determines the EPROM programming algorithm that is
performed PMODE is sampled after a chip reset and should be static while the
part is operating
SID Slave ID Number Used to assign each slave a pin of Port 3 or 4 to use for passing
programming verification acknowledgement
PALE
Programming ALE Input Accepted by the 87C196KB when it is in Slave
Programming Mode Used to indicate that Ports 3 and 4 contain a command
address
PROG
Programming Falling edge indicates valid data on PBUS and the beginning of
programming Rising edge indicates end of programming
PVAL
Program Valid This signal indicates the success or failure of programming in the
Auto Programming Mode A zero indicates successful programming
PVER
Program Verification Used in Slave Programming and Auto CLB Programming
Modes Signal is low after rising edge of PROG if the programming was not
successful
AINC
Auto Increment Active low signal indicates that the auto increment mode is
enabled Auto Increment will allow reading or writing of sequential EPROM
locations without address transactions across the PBUS for each read or write
PORTS 3 and 4
(when programming)
Address Command Data Bus Used to pass commands addresses and data to
and from slave mode 87C196KBs Used by chips in Auto Programming Mode to
pass command addresses and data to slaves Also used in the Auto Programming
Mode as a regular system bus to access external memory Should have pullups to
VCC (15 kX)
6

6 Page







83C198 pdf, datenblatt
8XC198
READY Timings (One Wait State)
EXTERNAL CLOCK DRIVE
Symbol
Parameter
1 TXLXL
1 TXLXL
TXLXL
TXLXL
TXHXX
TXLXX
TXLXH
TXHXL
Oscillator Frequency 12 MHz
Oscillator Frequency 16 MHz
Oscillator Period 12 MHz
Oscillator Period 16 MHz
High Time
Low Time
Rise Time
Fall Time
EXTERNAL CLOCK DRIVE WAVEFORMS
Min
35
35
83 3
62 5
21 25
21 25
Max
12 0
16 0
286
286
10
10
272034 – 24
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
272034 – 25
An external oscillator may encounter as much as a 100 pF load at XTAL1 when it starts-up This is due to
interaction between the amplifier and its feedback capacitance Once the external signal meets the VIL and
VIH specifications the capacitance will not exceed 20 pF
12

12 Page


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