參數(shù)資料
型號： MTA81010-RC/P
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDIP28
封裝： PLASTIC, DIP-28
文件頁數(shù)： 45/76頁
文件大?。?/td> 745K
代理商： MTA81010-RC/P
1995 Microchip Technology Inc.
DS39005D-page 5
MTA81010
2.0
MICROCONTROLLER SECTION
The MTA81010 from Microchip Technology contains
low-cost, high-performance, 8-bit, fully static, EPROM-
based CMOS microcontroller. It employs a RISC-like
architecture with only 33 single word/single cycle
instructions to learn. All instructions are single cycle
except for program branches which take two cycles.
The 12-bit wide instructions are highly symmetrical
resulting in 2:1 code compression over other 8-bit
microcontrollers in its class. The easy to use and easy
to remember instruction set reduces development time
significantly.
The MTA81010 product is equipped with special
features
that
reduce
system
cost
and
power
requirements. The power on reset and oscillator start
up timer eliminate the need for external reset circuitry.
There are three oscillator configurations to choose
from, including power saving LP (Low Power) oscillator,
standard XT oscillator and cost saving RC oscillator.
Power saving SLEEP mode, watchdog timer and code
protection features improves system cost, power and
reliability.
TABLE 2-1:
MICROCONTROLLER PIN
FUNCTIONS
Name
Function
RA0 - RA3
I/O PORT A
RB0 - RB7
I/O PORT B
T0CKI
Real Time Clock/Counter
MCLR
Master CLear
OSC1
Oscillator (input)
OSC2/CLKOUT
Oscillator (output)
MCVDD
Power Supply
VSS
Ground
N/C
No (internal) Connection
FIGURE 2-1:
MTA81010 MICROCONTROLLER CHIP BLOCK DIAGRAM
“CODE
PROTECT”
EPROM
512 x 12
T0CKI
PIN
STACK 1
PC
(f2)
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONFIGURATION EPROM
WDT/T0CKI
PRESCALER
STACK 2
OSC1 OSC2 MCLR
OSCILLATOR/
TIMING &
CONTROL
WDT TIME
OUT
“DISABLE”
WATCHDOG
TIMER
“OSC
SELECT”
“SLEEP”
CLKOUT
“OPTION”
FROM W
OPTION REG
DIRECT RAM
ADDRESS
DIRECT ADDRESS
GENERAL
PURPOSE
REGISTER
FILE
FSR (f4)
TMR0
STATUS (f3)
ALU
DATA BUS
W
LIT
E
RA
L
S
12
8
9
9 - 11
6
5
8
5 - 7
8
2
TRISC
PORTC
FROM W
RC7:RC0
(28 Pin Devices Only)
“TRIS 7”
8
TRISB
PORTB
FROM W
RB7:RB0
“TRIS 6”
8
TRISA
PORTA
FROM W
RA3:RA0
“TRIS 5”
4
相關PDF資料
PDF描述
MTA81010-XT/SO 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO28
MTA81010S-LPI/SO 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO28
MTA81010-LPI/P 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDIP28
MTA81010S-RCI/SO 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO28
MTA81010-XTI/P 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDIP28
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