C8051F340/1/2/3/4/5/6/7
Table 20.1. SPI Slave Timing Parameters
Parameter | Description | Min | Max | Units |
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| Master Mode Timing* (See Figure 20.8 | and Figure 20.9) |
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TMCKH | SCK High Time | 1 x TSYSCLK |
| ns |
TMCKL | SCK Low Time | 1 x TSYSCLK |
| ns |
TMIS | MISO Valid to SCK Shift Edge | 1 x TSYSCLK + 20 |
| ns |
TMIH | SCK Shift Edge to MISO Change | 0 |
| ns |
| Slave Mode Timing* (See Figure 20.10 | and Figure 20.11) |
|
|
|
|
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|
TSE | NSS Falling to First SCK Edge | 2 x TSYSCLK |
| ns |
TSD | Last SCK Edge to NSS Rising | 2 x TSYSCLK |
| ns |
TSEZ | NSS Falling to MISO Valid |
| 4 x TSYSCLK | ns |
TSDZ | NSS Rising to MISO |
| 4 x TSYSCLK | ns |
TCKH | SCK High Time | 5 x TSYSCLK |
| ns |
TCKL | SCK Low Time | 5 x TSYSCLK |
| ns |
TSIS | MOSI Valid to SCK Sample Edge | 2 x TSYSCLK |
| ns |
TSIH | SCK Sample Edge to MOSI Change | 2 x TSYSCLK |
| ns |
TSOH | SCK Shift Edge to MISO Change |
| 4 x TSYSCLK | ns |
TSLH | Last SCK Edge to MISO Change (CKPHA = 1 | 6 x TSYSCLK | 8 x TSYSCLK | ns |
ONLY) |
*Note: TSYSCLK is equal to one period of the device system clock (SYSCLK).
Rev. 0.5 | 241 |