Jtag Interface - Quectel SC690A Series Hardware Design

The vibrator is driven by an exclusive circuit, and a reference circuit design is shown below.

4.16. JTAG Interface

Table 29: Pin Definition of JTAG Interface
Pin Name
JTAG_PS_HOLD
JTAG_TRST
JTAG_TCLK
JTAG_TMS
JTAG_TDO
JTAG_TDI
JTAG_RST_N
SC690A_Series_Hardware_Design
VIB_DRV
C1
33 pF
Module
Figure 22: Reference Circuit for Vibrator Connection
Pin No. I/O
183 DO
184 DI
188 DI
185 DI
186 DO
187 DI
189 DI
output control
VIB+
D1
VIB-
Motor
Description
JTAG power-supply hold
JTAG reset
JTAG clock input
JTAG mode-select input
JTAG data output
JTAG data input
JTAG reset for debug
Smart Module Series
Comment
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