SAM4S_14 Datasheet, PDF (1180/1231 Pages) ATMEL Corporation – ARM-based Flash MCU

44.12.7.1USART SPI TImings
Table 44-69. USART SPI Timings
Symbol
Parameter
Conditions
Min
Max
Master Mode
SPI₀
SCK Period
1.8V domain
MCK/6
—
3.3V domain
SPI₁
Input Data Setup Time
1.8V domain
0.5 * MCK + 0.8
—
3.3V domain
0.5 * MCK + 1.0
SPI₂
Input Data Hold Time
1.8V domain
1.5 * MCK + 0.3
—
3.3V domain
1.5 * MCK + 0.1
SPI₃
Chip Select Active to Serial Clock
1.8V domain
1.5 * SPCK - 1.5
—
3.3V domain
1.5 * SPCK - 2.1
SPI₄
Output Data Setup Time
1.8V domain
- 7.9
9.9
3.3V domain
- 7.2
10.7
SPI₅
Serial Clock to Chip Select Inactive
1.8V domain
1 * SPCK - 7.7
—
3.3V domain
1 * SPCK - 11.8
Slave Mode
SPI₆
SCK Falling to MISO
1.8V domain
4.7
17.3
3.3V domain
4
15.2
SPI₇
1.8V domain
2 * MCK + 0.7
MOSI Setup Time before SCK Rises
—
3.3V domain
2 * MCK
1.8V domain
0
SPI₈
MOSI Hold Time after SCK Rises
3.3V domain
0.1
—
SPI₉
SCK Rising to MISO
1.8V domain
4.7
20.1
3.3V domain
4.1
15.5
SPI₁₀
1.8V domain
2 * MCK + 0.7
MOSI Setup Time before SCK Falls
—
3.3V domain
2 * MCK + 0.6
1.8V domain
0.2
SPI₁₁
MOSI Hold Time after SCK Falls
3.3V domain
0.1
—
SPI₁₂
NPCS0 Setup to SCK Rising
1.8V domain
2.5 * MCK + 0.5
—
3.3V domain
2.5 * MCK
SPI₁₃
NPCS0 Hold after SCK Falling
1.8V domain
1.5 * MCK + 0.2
—
3.3V domain
1.5 * MCK
SPI₁₄
NPCS0 Setup to SCK Falling
1.8V domain
2.5 * MCK + 0.5
—
3.3V domain
2.5 * MCK + 0.3
SPI₁₅
NPCS0 Hold after SCK Rising
1.8V domain
1.5 * MCK
—
3.3V domain
1.5 * MCK
Notes: 1. 1.8V domain: VDDIO from 1.65V to 1.95V, maximum external capacitor = 20 pF
2. 3.3V domain: VDDIO from 2.85V to 3.6V, maximum external capacitor = 40 pF
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1180
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14