unicore UM980eb, Руководство пользователя по оборудованию, Страница: 10 / 27

UC-08-M32 EN R1.0 Interfaces 5
No. Pin Name I/O Description
7 SPIS_MISO O Master In / Slave Out. This pin is used to
transmit data in slave mode.
8 RXD3 I COM3 input, can be used as CAN RXD, LVTTL
9 RESET_N I System reset, active low. The active time
should be no less than 5 ms.
10 NC — No connection inside
11 EVENT I
Event input, with adjustable frequency and
polarity
12 RSV#22 — Reserved
13 TXD3 O COM3 output, can be used as CAN TXD, LVTTL
14 GND — Ground
15 TXD1 O COM1 output, LVTTL
16 RXD1 I COM1 input, LVTTL
17 GND — Ground
18 TXD2 O COM2 output, LVTTL
19 RXD2 I COM2 input, LVTTL
20 GND — Ground
21 PVT_STAT O PVT status, active high.
High level when positioning and low level
when not positioning.
22 GND — Ground
23 PPS O Pulse per second, with adjustable pulse width
and polarity