1. ttyTHS0 (1.8V) ttyTHS1 (1.8V) DAC GPS HMC764 =1kW =2.6kW 0-12V opa277tx rx
gnd rx tx
gnd gp gp gp gp gp gp gp 5 gp
gnd
3.3
sda
3.3
scl
3.3
gnd
gnd cs
clk
gnd 12
1.8
sda
1.8
scl
1.8
gnd
gnd
miso
mosi
1.8 5
gnd --
sda
scl rx
1.8
3.3
gnd
clk di do
sel
1.8
3.3 OE
gnd
clk di do
sel
HMC764
3.3
=1kW
=2.6kW
scl
sda
vss
vdd
pps
vin
gnd rx tx
fix
vba en
3.3
DAC
GPS
0-12V
opa277

2. See for notes:

3. 1 PWR
2 TX RS232
3 RX RS232
4 SYNC OUT
5 GND
6 RESET
7 SYNC IN
8 TX 3.3V
9 RX 3.3V
10 NC
TX 3.3V
RX 3.3V
GND 5V

5. http://www.ti.com/lit/ug/swru040c/swru040c.pdf P2 P1 1 1 4 9 10 14 16
3.3 4 9 10 CS 14
SCK 16
MOSI 18
MISO 20
GND 1 10 14 16 18 20 4

6. Teensy 3.2 Pins GDO0 CSn SCLK DI DO 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20
GDO0
CSn
SCLK DI DO