參數(shù)資料
型號: S3C8444XX-TW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, TQFP-80
文件頁數(shù): 36/44頁
文件大小: 301K
代理商: S3C8444XX-TW
S3C8444
DEVELOPMENT TOOLS
18–5
Table 18–1. Power Selection Settings for TB8444
'To User_Vcc' Settings
Operating Mode
Comments
OFF
ON
To User_Vcc
a
Target
System
SMDS2/SMDS2+
TB8444
VCC
VSS
VCC
The SMDS2/SMDS2+ main
board supplies VCC to the
target board (evaluation chip)
and the target system.
OFF
ON
To User_Vcc
a
TB8444
Target
System
SMDS2/SMDS2+
External
VCC
VSS
VCC
The SMDS2/SMDS2+ main
board supplies VCC 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 configuration:
a
Table 18–2. Using Single Header Pins as the Input Path for External Trigger Sources
Target Board Part
Comments
EXTERNAL
TRIGGERS
CH1
CH2
Connector from
external trigger
sources of the
application system
You can connect an external trigger source to one of the two external
trigger channels (CH1 or CH2) for the SMDS2/SMDS2+ breakpoint
and trace functions.
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