參數(shù)資料
型號(hào): ST72774S9T1/XXX
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
封裝: TQFP-44
文件頁數(shù): 46/144頁
文件大小: 1280K
代理商: ST72774S9T1/XXX
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
ST72E734J6D0 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP42
ST72T774S9T1 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP44
ST7294C6B6 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDIP28
ST72T94C6M6 8-BIT, OTPROM, MICROCONTROLLER, PDSO28
ST72C171K2B6 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP32
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST727X4-EMU2B 制造商:STMicroelectronics 功能描述:REALTIME EMULATOR BOARD - Bulk
ST727X4-EPB/US 制造商:STMicroelectronics 功能描述:PROGRAMMER - Bulk
ST-7-28 功能描述:XFRMR PWR 115V 14VAC 2.6A RoHS:是 類別:變壓器 >> 功率 系列:ST 標(biāo)準(zhǔn)包裝:1 系列:260 類型:標(biāo)準(zhǔn) 最大功率:65 VA 主線圈:雙 副線圈:三路,中心抽頭 在某電流時(shí)的串聯(lián)輸出電壓:500 VAC @ 85mA,5 VAC @ 2A,6.3 VAC @ 2A 在某電流時(shí)的并聯(lián)輸出電壓:- 安裝類型:底座安裝 尺寸/尺寸:102.36mm L x 67.31mm W 高度 - 座高(最大):66.80mm 端接類型:導(dǎo)線引線
ST7-28 制造商:SUPERWORLD 制造商全稱:Superworld Electronics 功能描述:POWER TRANSFORMER
ST7-28B56 功能描述:電源變壓器 SPLIT BOBBIN HORZ MOUNT XFMR RoHS:否 制造商:Triad Magnetics 功率額定值:12 VA 初級(jí)電壓額定值:115 V / 230 V 次級(jí)電壓額定值:12 V / 24 V 安裝風(fēng)格:SMD/SMT 一次繞組:Dual Primary Winding 二次繞組:Dual Secondary Winding 長度:2.5 in 寬度:2 in 高度:1.062 in