Rainbow Electronics AT91CAP9S250A User Manual

Page 979

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979

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

Figure 47-10. SPI Slave Mode with (CPOL = NCPHA = 0) or (CPOL= NCPHA= 1)

Notes:

1. Cload is 8pF for MISO and 6pF for SPCK and MOSI.

Table 47-36. SPI Timings

Symbol

Parameter

Cond

Min

Max

Units

Master Mode

SPI

0

MISO Setup time before SPCK rises

(1)

TBD + 0.5*t

CPMCK

ns

SPI

1

MISO Hold time after SPCK rises

(1)

TBD - 0.5* t

CPMCK

ns

SPI

2

SPCK rising to MOSI valid

(1)

TBD

ns

SPI

2

SPCK rising to MOSI change

(1)

TBD

ns

SPI

3

MISO Setup time before SPCK falls

(1)

TBD + 0.5*t

CPMCK

ns

SPI

4

MISO Hold time after SPCK falls

(1)

TBD - 0.5* t

CPMCK

ns

SPI

5

SPCK falling to MOSI valid

(1)

TBD

ns

SPI

2

SPCK falling to MOSI change

(1)

TBD

ns

Slave Mode

SPI

6

SPCK falling to MISO valid

(1)

TBD

ns

SPI

6

SPCK falling to MISO change

(1)

TBD

ns

SPI

7

MOSI Setup time before SPCK rises

(1)

TBD

ns

SPI

8

MOSI Hold time after SPCK rises

(1)

TBD

ns

SPI

9

SPCK rising to MISO valid

(1)

TBD

ns

SPI

9

SPCK rising to MISO change

(1)

TBD

ns

SPI

10

MOSI Setup time before SPCK falls

(1)

TBD

ns

SPI

11

MOSI Hold time after SPCK falls

(1)

TBD

ns

SPI

12

NPCS0,1,2,3 to MOSI

(1)

TBD

ns

SPI

13

NPCS0,1,2,3 to MISO

(1)

TBD

ns

SPCK

MISO

MOSI

SPI

9

SPI

10

SPI

11

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