AT89S8252(2000) Просмотр технического описания (PDF) - Atmel Corporation

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Компоненты Описание

производитель

AT89S8252
(Rev.:2000)

8-bit Microcontroller with 8K Bytes Flash

Atmel Corporation 

Figure 5. Timer 2 in Clock-out Mode

Figure 6. SPI Block Diagram

OSCILLATOR

DIVIDER

÷4÷16÷64÷128

S

M

M

MSB

LSB

8/16-BIT SHIFT REGISTER

S

READ DATA BUFFER

MISO

P1.6

MOSI

P1.5

SELECT

SPI CLOCK (MASTER)

CLOCK

CLOCK

S

SCK

1.7

LOGIC

M

SS

P1.4

SPI CONTROL

SPI STATUS REGISTER

MSTR

SPE

8

SPI CONTROL REGISTER

8

8

SPI INTERRUPT INTERNAL

REQUEST DATA BUS

14

AT89S8252

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