S3F84B8_UM_REV 1.00
22 DEVELOPMENT TOOLS
22-4
Table 22-1 TB84B8 Components
Mark
Usage
Description
S1 100-cable
interface
Connect the emulator and TB84B8
U4
20-cable interface
Connect TB84B8 and user system
SW1
8- channel switch
Smart Option configuration of S3E84B0
RESET
Key
Generate reset signal to S3E84B0
VCC, GND
Power in
Power supply for TB84B8
IDLE, STOP LED
STOP/IDLE display
Indicate S3E84B0 work status
JP5
Clock source selection
Select clock source as from the emulator or board
JP7
Mode selection
EVA /Main mode selection of S3E84B0
JP6
PWM selection
Select whether PWM keeps output as the emulator pauses
JP4
User power selection
Select user power supply
Table 22-2 Power Selection Settings for TB84B8
“To User_Vcc” Setting
Operating Mode
Comments
To user_Vcc
off
on
Target
System
SMDS2/SMDS2+
TB84B8
V
CC
V
SS
V
CC
External
The SMDS2/SMDS2+ main
board supplies V
CC
and Vss
to the target board
(evaluation chip) and target
system.
on
To user_Vcc
off
Target
System
SMDS2/SMDS2+
TB84B8
V
CC
V
SS
V
CC
External
The SMDS2/SMDS2+ main
board supplies V
CC
only to
the target board (evaluation
chip). The target system must
have its own power supply.
NOTE:
The following symbol in the “To User_Vcc” Setting column indicates the electrical short (off) configuration: