Rainbow-electronics ATmega163L Manual do Utilizador descarregar pdf (Página 137)

ATmega163(L)

137

Table 61. Serial Programming Characteristics, T

= -40°C to 85°C, V

= 2.7V - 5.5V (Unless otherwise noted)

Symbol Parameter Min Typ Max Units

1/t

CLCL

Oscillator Frequency (V

= 2.7 - 5.5 V) 0 4 MHz

CLCL

Oscillator Period (V

= 2.7 - 5.5 V) 250 ns

1/t

CLCL

Oscillator Frequency (V

= 4.0 - 5.5 V) 0 8 MHz

CLCL

Oscillator Period (V

= 4.0 - 5.5 V) 125 ns

SHSL

SCK Pulse Width High 2 t

CLCL

SLSH

SCK Pulse Width Low 2 t

CLCL

OVSH

MOSI Setup to SCK High t

CLCL

SHOX

MOSI Hold after SCK High 2 t

CLCL

SLIV

SCK Low to MISO Valid 10 16 32 ns

1 2 ... 132 133 134 135 136 137 138 139 140 141 142 ... 155 156

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