List of figures

Figure 1.

VQFN32 pinout.................................................................... 4

Figure 2.

SPI transmit sequence .............................................................. 5

Figure 3.

SPI Read register example ........................................................... 7

Figure 4.

SPI write register example ............................................................ 7

Figure 5.

Power on and warm reset sequence .................................................... 13

Figure 6.

Standby sequence ................................................................ 13

Figure 7.

SPI slave timing diagram - SPI_CLK low (by default) ......................................... 14

Figure 8.

SPI slave timing diagram - SPI_CLK high (by default) ........................................ 15

Figure 9.

AC testing input/output waveforms ..................................................... 15

Figure 10.

AC testing load circuit .............................................................. 16

Figure 11.

Typical hardware implementation (VFQFPN32 package) ...................................... 17

Figure 12.

Mandatory filtering capacitors on VPS ................................................... 18

Figure 13.

VFQFPN32 - outline ............................................................... 19

Figure 14.

VFQFPN32 - recommended footprint.................................................... 20

Figure 15.

Reel diagram .................................................................... 22

Figure 16.

Embossed carrier tape for VFQFPN32 5 × 5 mm ........................................... 23

Figure 17.

Chip orientation in the embossed carrier tape for VFQFPN32 5 × 5 mm ............................ 23

Figure 18.

VFQFPN32 device package marking area ................................................ 24

ST33TPHF2XSPI

List of figures

DS14186 - Rev 1

page 33/35