Quectel SG368Z Series User Manual

Smart Module Series
SG368Z_Series_Hardware_Design 48 / 113
Table 15: SD Card Interface Trace Length Inside the Module (Unit: mm)
4.4. UART
SG368Z-WF supports up to 8 groups of UART and SG368Z-AP supports up to 10 groups of UART. 6 of
them are configured by default, and the rest of them are multiplexed from other interfaces. For detailed
multiplexing relationship, see document [2].
UART features:
⚫ Each UART contains two 64-byte FIFOs for data reception and transmission
⚫ Support 115.2 kbps, 460.8 kbps, 921.6 kbps, 1.5 Mbps, 3 Mbps and 4 Mbps
⚫ Support programmable baud rate and non-integer clock divider
⚫ Support 5–8 bit width transmission
Table 16: Pins Description of UART
Pin Name
Pin No.
Length
Length Matching with SD_CLK
SD_CLK
252
43.60
-
SD_CMD
247
42.92
0.68
SD_DATA0
246
41.08
2.52
SD_DATA1
251
41.44
2.16
SD_DATA2
256
41.73
1.87
SD_DATA3
257
41.83
1.77
Pin Name
Pin No.
I/O
Description
Comment
DBG_TXD
374
DO
Debug UART transmit
The default baud rate is
115200 bps.
Test points must be
reserved.
DBG_RXD
378
DI
Debug UART receive
UART3_TXD
339
DO
UART3 transmit
UART3_RXD
334
DI
UART3 receive
UART4_TXD
344
DO
UART4 transmit

Quectel SG368Z Series Specifications

General

Brand	Quectel
Model	SG368Z Series
Category	Control Unit
Language	English