RPI-pin-dat

RPI-26P-dat

RPI-40P-dat

note GPIO pin pin GPIO note2
3V3 - 1 2 - 5V
SDA 2 3 4 - 5V
SCL 3 5 6 - Ground
4 7 8 14 TXD
Ground - 9 10 15 RXD
ce1 17 11 12 18 ce0
27 13 14 - Ground
22 15 16 23
3V3 - 17 18 24
MOSI 10 19 20 - Ground
MISO 9 21 22 25
SCLK 11 23 24 8 CE0
Ground - 25 26 7 CE1
ID_SD 0 27 28 1 ID_SC
5 29 30 - Ground
6 31 32 12
13 33 34 - Ground
miso 19 35 36 16 ce2
26 37 38 20 mosi
Ground - 39 40 21 sclk

ref