9
TOWER SYSTEM
Quick Start Guide
8
TWRPI Socket B Configuration
Jumper
Option
Setting
Description
J1
UART TX/GPIO3
Isolation
1-2
Connects J7_Pin18 to primary elevator
signal UART0_TX (A42)
J3
UART RX/GPIO2
Isolation
1-2
Connects J7_Pin17 to primary elevator
signal UART0_RX (A41)
J5
TMR/GPIO5
Isolation
1-2
Connects J7_Pin20 to primary elevator
signal TMR0 (A34)
J11
TMR/GPIO4
Isolation
1-2
Connects J7_Pin19 to primary elevator
signal TMR1 (A33)
J13
TWRPI-ID0
Isolation
1-2
Connects J8_Pin17 to primary elevator
signal AN2 (A28)
J15
TWRPI-ID1
Isolation
1-2
Connects J8_Pin18 to primary elevator
signal AN3 (A27)
J18
SPI CS
Selection
1-2
Connects J7_Pin11 to primary elevator
signal SPI1_CS0 (B9)
2-3
Connects J7_Pin11 to primary elevator
signal SPI1_CS1 (B8)
J20
GPIO0/IRQ
Selection
1-2
Connects J7_Pin15 to primary elevator
signal GPIO8 (A10)
3-4
Connects J7_Pin15 to primary elevator
signal IRQ_C (B60)
J22
GPIO1/IRQ
Selection
1-2
Connects J7_Pin16 to primary elevator
signal GPIO7 (A11)
3-4
Connects J7_Pin16 to primary elevator
signal IRQ_G (B56)
TWRPI Socket C Configuration
Jumper
Option
Setting
Description
J28
UART RTS/
GPIO5 Isolation
1-2
Connects J25_Pin20 to secondary
elevator signal UART2_CTS (C43)
J29
UART TX/GPIO3
Isolation
1-2
Connects J25_Pin18 to secondary
elevator signal UART2_TX (C42)
J30
UART RX/GPIO2
Isolation
1-2
Connects J25_Pin17 to secondary
elevator signal UART2_RX (C41)
J31
TWRPI-ID0
Isolation
1-2
Connects J24_Pin17 to secondary
elevator signal AN8 (C30)
J32
TWRPI-ID1
Isolation
1-2
Connects J24_Pin18 to secondary
elevator signal AN9 (C29)
J33
UART CTS/
GPIO4 Isolation
1-2
Connects J25_Pin19 to secondary
elevator signal UART2_CTS (C44)
J34
GPIO1/IRQ
Selection
1-2
Connects J25_Pin16 to secondary
elevator signal GPIO19 (D17)
3-4
Connects J25_Pin16 to secondary
elevator signal IRQ_J (D61)
J35
SPI CS Selection
1-2
Connects J25_Pin11 to secondary
elevator signal SPI2_CS0 (D9)
2-3
Connects J25_Pin11 to secondary
elevator signal SPI2_CS1 (D8)
J36
GPIO0/IRQ
Selection
1-2
Connects J25_Pin15 to secondary
elevator signal GPIO18 (D16)
3-4
Connects J25_Pin15 to secondary
elevator signal IRQ_I (D62)