3.5.5 SST25PF040CT Serial Flash

The SST25PF040CT is a 4 Mbit Serial Flash with extended operating voltage range and low-power consumption.

Additional Features:
  • Operating Voltage Range: 2.3V to 3.6V
  • Active Read Current: 5 mA (typical)
  • Power-Down Standby Current: 3 μA (typical)
The SST25PF040CT Serial Flash is connected to the ATmega3208 through SPI and a GPIO for the HOLD signal.
Info: The Flash is SPI Mode 0 and Mode 3 compatible, and supports clock speeds up to 40 MHz.
Table 3-6. SST25PF040CT Connections
SST25PF040CT PinATmega3208 PinFunctionShared Functionality
CSPD0GPIO—
SCKPA6SPI0 SCKmikroBUS
MISOPA5SPI0 MISOmikroBUS
MOSIPA4SPI0 MOSImikroBUS
HOLD#PD4GPIO—