參數(shù)資料
型號: XC164D
廠商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller with C166SV2 Core
中文描述: 16位單片機(jī)與C166SV2核心
文件頁數(shù): 11/70頁
文件大?。?/td> 747K
代理商: XC164D
XC164D
Derivatives
General Device Information
Data Sheet
6
V1.0, 2005-01
Table 2
Symbo
l
RSTIN
Pin Definitions and Functions
Input
Outp.
I
Reset Input with Schmitt-Trigger characteristics. A low level
at this pin while the oscillator is running resets the XC164D.
A spike filter suppresses input pulses <10 ns. Input pulses
>100 ns safely pass the filter. The minimum duration for a
safe recognition should be 100 ns + 2 CPU clock cycles.
Note: The reset duration must be sufficient to let the
hardware configuration signals settle.
External circuitry must guarantee low level at the
RSTIN pin at least until both power supply voltages
have reached the operating range.
IO
For details, please refer to the description of
P20
.
I
Non-Maskable Interrupt Input. A high to low transition at this
pin causes the CPU to vector to the NMI trap routine. When
the PWRDN (power down) instruction is executed, the NMI
pin must be low in order to force the XC164D into power
down mode. If NMI is high, when PWRDN is executed, the
part will continue to run in normal mode.
If not used, pin NMI should be pulled high externally.
IO
For details, please refer to the description of
PORT0
.
Pin
Num.
1
Function
P20.12
NMI
2
3
P0H.0-
P0H.3
4
7
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