參數(shù)資料
型號(hào)： TN80L186EB13
廠商： INTEL CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
中文描述： 16-BIT, 13 MHz, MICROPROCESSOR, PQCC84
封裝： PLASTIC, LCC-84
文件頁(yè)數(shù)： 42/59頁(yè)
文件大?。?/td> 779K
代理商： TN80L186EB13
80C186EB/80C188EB, 80L186EB/80L188EB
RESET
The processor will perform a reset operation any
time the RESIN pin active. The RESIN pin is actually
synchronized before it is presented internally, which
means that the clock must be operating before a
reset can take effect. From a power-on state, RESIN
must be held active (low) in order to guarantee cor-
rect initialization of the processor.
Failure to pro-
vide RESIN while the device is powering up will
result in unspecified operation of the device.
Figure 14 shows the correct reset sequence when
first applying power to the processor. An external
clock connected to CLKIN must not exceed the V
CC
threshold being applied to the processor. This is nor-
mally not a problem if the clock driver is supplied
with the same V
CC
that supplies the processor.
When attaching a crystal to the device, RESIN must
remain active until both V
CC
and CLKOUT are stable
(the length of time is application specific and de-
pends on the startup characteristics of the crystal
circuit). The RESIN pin is designed to operate cor-
rectly using an RC reset circuit, but the designer
must ensure that the ramp time for V
CC
is not so
long that RESIN is never really sampled at a logic
low level when V
CC
reaches minimum operating
conditions.
Figure 16 shows the timing sequence when RESIN
is applied after V
CC
is stable and the device has
been operating. Note that a reset will terminate all
activity and return the processor to a known operat-
ing state. Any bus operation that is in progress at the
time RESIN is asserted will terminate immediately
(note that most control signals will be driven to their
inactive state first before floating).
While RESIN is active, bus signals LOCK, A19/
ONCE, and A18:16 are configured as inputs and
weakly held high by internal pullup transistors. Only
19/ONCE can be overdriven to a low and is used to
enable ONCE Mode. Forcing LOCK or A18:16 low at
any time while RESIN is low is prohibited and will
cause unspecified device operation.
42
42
相關(guān)PDF資料
PDF描述
TN80C186EBxx 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
TN80C188EBxx 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
TN80C186EB13 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
TN80C186EB20 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
TN80C186EB25 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TN80L186EB-13 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:16-Bit Microprocessor
TN80L186EB16 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
TN80L186EB8 制造商:INTEL 制造商全稱(chēng):Intel Corporation 功能描述:16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS
TN80L186EB-8 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:16-Bit Microprocessor
TN80L188EA13 功能描述:IC MPU 16-BIT 3V 13MHZ 68-PLCC RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:- 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類(lèi)型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類(lèi)型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤(pán)
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