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Whirlybird
(view source)
Revision as of 06:03, 4 October 2024
51 bytes removed
,
4 October
→PI4IOE5V6416 I2C GPIO Expander
:
Most of the I/O connections
{| class="wikitable"
|-
! Pin # !! Name !! Description
|Function
|-
| 1 || P0_0 ||
Port 0 input
I
/
output 0
O M3 via R51
|-
| 2 || P0_1 ||
Port 0 input
I
/
output 1
O U6 & U8 Pin 3 (TP12,TP70)
|-
| 3 || P0_2 ||
Port 0 input
I
/
output 2
O U56
|-
| 4 || P0_3 ||
Port 0 input
I
/
output 3
O M5 Pin 67
|-
| 5 || P0_4 ||
Port 0 input/output 4
GND M5 Pin 54
|-
| 6 || P0_5 ||
Port 0 input/output 5
U15 Pin 4 via R44 (TP67)
|-
| 7 || P0_6 ||
Port 0 input/output
P3 Pin
6
(TP68)
|-
| 8 || P0_7 ||
Port 0 input/output 7
(TP62)
|-
| 9 || Vss || Ground
|-
| 10 || P1_0 ||
Port 1 input/output 0
U54 Pin 4 via R80 & R34 (TP73)
|-
| 11 || P1_1 ||
Port 1 input/output 1
J8 Pin 10 & R74 to GND (TP74)
|-
| 12 || P1_2 ||
Port 1 input/output 2
???
|-
| 13 || P1_3 ||
Port 1 input/output 3
???
|-
| 14 || P1_4 ||
Port 1 input/output 4
??? via R48
|-
| 15 || P1_5 ||
Port
U17 Pin
1
input/output 5
(TOUT) & J9 & Pull-up via R7
|-
| 16 || P1_6 ||
Port 1 input/output 6
U1 Pin 4 (TP2,TP81)
|-
| 17 || P1_7 ||
Port 1 input/output 7
J9 (TP80)
|-
| 18 || ADDR || Address input, to Vdd or ground
| 21 || Vdd(P) || Power for Port P
|-
| 22 || INT ||
ESP32 GPIO8.
Interrupt output, connect to Vdd via pull-up resistor
|-
| 23 || Vdd(I2C) || Power from I2C-bus, provides voltage-level translation
-.-6eau
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