feature / model | PA6B | PA6C | unit | notes |
chip | MT3329 | MT3339 | - | MediaTek |
supply voltage | 3.2 3.3 5.0 | 3.0 3.3 4.3 | V | min typ max |
current consumption | 48 37 | 25 20 | mA | @ 3.3V, 1 Hz update rate, acquisition @ 3.3V, 1 Hz update rate, tracking |
back-up current consumption | 10 | 7 | µA | @ 3.0 V, 25 °C |
shut-down current consumption | 15 | not available | µA | 25 °C |
timing accuracy | 100 | 10 | ns | PA6B needs custom firmware to reprogram 3D-fix output as 1PPS |
RX high | 2.1 2.8 | 2.0 Vcc | V | min max |
RX low | 0.0 0.9 | 0.0 0.8 | V | min max |
TX high | 2.1 2.8 | 2.4 2.8 | V | min max |
TX low | 0.0 0.8 | 0.0 0.4 | V | min max |
pins | enable Dplus Dminus 2 x NC | 2 x NC 3 x GND | - | - |
pin / model | PA6B | PA6C | row |
1 | Vcc | Vcc | 1 |
2 | enable | NC | 1 |
3 | GND | GND | 1 |
4 | Vbackup | Vbackup | 1 |
5 | 3D-fix | 3D-fix | 1 |
6 | Dplus | 1PPS | 1 |
7 | Dminus | NC | 1 |
8 | GND | GND | 1 |
9 | TXD | TXD | 1 |
10 | RXD | RXD | 1 |
11 | NC | GND | 2 |
12 | - | GND | 2 |
13 | NC | GND | 2 |