MC68HC908GR8ACFA Ver la hoja de datos (PDF) - Freescale Semiconductor

Número de pieza

componentes Descripción

Fabricante

MC68HC908GR8ACFA

M68HC08 Microcontrollers

Freescale Semiconductor 

SS

INPUT

SS PIN OF MASTER HELD HIGH

1

SPSCK OUTPUT

CPOL = 0

NOTE

4

SPSCK OUTPUT

CPOL = 1

NOTE

5

MISO

INPUT

MOSI

OUTPUT

MSB IN

11

MASTER MSB OUT

5

4

BITS 6–1

10

BITS 6–1

Note: This first clock edge is generated internally, but is not seen at the SPSCK pin.

a) SPI Master Timing (CPHA = 0)

3.0 V SPI Characteristics

6

7

LSB IN

11

MASTER LSB OUT

SS

INPUT

SPSCK OUTPUT

CPOL = 0

SS PIN OF MASTER HELD HIGH

1

5

4

SPSCK OUTPUT

CPOL = 1

5

4

MISO

INPUT

10

MOSI

OUTPUT

MSB IN

11

MASTER MSB OUT

BITS 6–1

10

BITS 6–1

NOTE

6

7

LSB IN

NOTE

MASTER LSB OUT

Note: This last clock edge is generated internally, but is not seen at the SPSCK pin.

b) SPI Master Timing (CPHA = 1)

Figure 19-16. SPI Master Timing

MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5

Freescale Semiconductor

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