Intel 8XC251SA Manuale Utente Scaricare il pdf (Pagina 3)

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PRELIMINARY 3

8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER

Figure 1. 8XC251SA/SB/SP/SQ Block Diagram

SRC2 (8)

Code Address (24)

Clock & Reset

Code Bus (16)

Data RAM

512 Bytes

or

1024 Bytes

Code

OTPROM/ROM

8 Kbytes

or

16 Kbytes

Watchdog

Timer

Timer/

Counters

PCA

Serial I/O

Peripherals

Port 2

Drivers

P2.7:0

Port 0

Drivers

P0.7:0

Port 3

Drivers

P3.7:0

Port 1

Drivers

P1.7:0

Data Address (24)

Data Bus (8)

Memory Address (16)

MCS

251 Microcontroller Core

System Bus and I/O Ports

I/O Ports and 

Peripheral Signals

SRC1 (8)

IB Bus (8)

Peripheral

Interface

Interrupt

Handler

Clock

&

Reset

Bus Interface

Instruction Sequencer

DST (16)

ALU

Data

Memory

Interface

Memory Data (16)

File

8XC251SA/SB/SP/SQ Microcontroller

A4214-01

1 2 3 4 5 6 7 8 ... 35 36

8XC251SA/SB/SP/SQ 1
HIGH-PERFORMANCE 1
CHMOS MICROCONTROLLER 1
PRELIMINARY 3 3
PRELIMINARY 5 5
PRELIMINARY 7 7
PRELIMINARY 9 9
PRELIMINARY 10
PRELIMINARY 11 11
PRELIMINARY 13 13
PRELIMINARY 15 15
PRELIMINARY 17 17
PRELIMINARY 19 19
PRELIMINARY 21 21
PRELIMINARY 23 23
PRELIMINARY 25 25
A4212-03 26
PRELIMINARY 27 27
PRELIMINARY 29 29
PRELIMINARY 31 31
Packaging 33
Handbook 33
PRELIMINARY 35 35

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Intel 8XC251SA Manuale Utente Pagina 3

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