Maxim-integrated MAXQ Family Users Guide: MAXQ8913 Supplement Instrukcja Użytkownika Pobierz pdf (Strona 47)

MAXQ Family User’s Guide:

MAXQ8913 Supplement

11-2

11.2.2 SPI Example 2: Receiving Data in Slave Mode

move SPICN, #01h ; Enable SPI in slave mode

move SPICF, #00h ; Sample data at clock rising edge, 8 bit character

call getByte

move A[0], GR

call getByte

move A[1], GR

call getByte

move A[2], GR

call getByte

move A[3], GR

...

getByte:

move C, SPICN.6 ; Wait for transfer to complete

jump NC, getByte

move SPICN.6, #0 ; Clear transfer flag

move GR, SPIB ; Get character

ret

Maxim Integrated

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 113 114

Brak uwag

Maxim-integrated MAXQ Family Users Guide: MAXQ8913 Supplement Instrukcja Użytkownika Strona 47