參數(shù)資料
型號: ST72E754J9D0
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
中文描述: 8位USB單片機的顯示器,高達60K章檢察官辦公室,每1000內(nèi)存,模數(shù)轉(zhuǎn)換器,定時器,同步,材質(zhì)單元,脈寬調(diào)制/的BRM,的H / W DDC的
文件頁數(shù): 46/144頁
文件大?。?/td> 1280K
代理商: ST72E754J9D0
ST72774/ST727754/ST72734
14/144
1.4 External connections
The following figure shows the recommended ex-
ternal connections for the device.
The VPP pin is only used for programming OTP
and EPROM devices and must be tied to ground in
user mode.
The 10 nF and 0.1 F decoupling capacitors on
the power supply lines are a suggested EMC per-
formance/cost tradeoff.
The external reset network (including the manda-
tory 1K serial resistor) is intended to protect the
device against parasitic resets, especially in noisy
environments.
Unused I/Os should be tied high to avoid any un-
necessary power consumption on floating lines.
An alternative solution is to program the unused
ports as inputs with pull-up.
Figure 4. Recommended External Connections
VPP
VDD
VSS
OSCIN
OSCOUT
RESET
VDD
0.1F
+
See
Clocks
Section
VDD
0.1F
EXTERNAL RESET CIRCUIT
Or configure unused I/O ports
Unused I/O
10nF
4.7K
10K
by software as input with pull-up
VDD
1K
相關(guān)PDF資料
PDF描述
ST72E774J9D0 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
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