參數(shù)資料
型號: IC80C32-24PQ
英文描述: CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
中文描述: CMOS單芯片8位微控制器
文件頁數(shù): 36/48頁
文件大?。?/td> 274K
代理商: IC80C32-24PQ
IC80C52
IC80C32
36
Integrated Circuit Solution Inc.
MC002-0B
Table 12. Status of the External Pins During Idle and Power-down Modes.
Mode
Memory
ALE
PSEN
PORT 0
PORT 1
PORT 2
PORT 3
Idle
Internal
1
1
Data
Data
Data
Data
Idle
External
1
1
Float
Data
Address
Data
Power-down
Internal
0
0
Data
Data
Data
Data
Power-down
External
0
0
Float
Data
Data
Data
On-Chip Oscillators
The on-chip oscillator circuitry of the IC80C54/58 is a single
stage inverter, intended for use as a crystal-controlled,
positive reactance oscillator. In this application the crystal is
operated in its fundamental response mode as an inductive
reactance in parallel resonance with capacitance external to
the crystal (Figure 24). Examples of how to drive the clock
with external oscillator are shown in Figure 25.
Figure 24. Oscillator Connections
The crystal specifications and capacitance values (C1 and
C2 in Figure 24) are not critical. 20 pF to 30 pF can be used
in these positions at a 12 MHz to 24 MHz frequency with
good quality crystals. (For ranges greater than 24 MHz refer
to Figure 26.) A ceramic resonator can be used in place of
the crystal in cost-sensitive applications. When a ceramic
resonator is used, C1 and C2 are normally selected to be of
somewhat higher values. The manufacturer of the ceramic
resonator should be consulted for recommendation on the
values of these capacitors.
GND
XTAL1
XTAL2
EXTERNAL
OSCILLATOR
SIGNAL
NC
Figure 25. External Clock Drive Configuration
C1
C2
GND
XTAL1
XTAL2
相關(guān)PDF資料
PDF描述
IC80C32-24W CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C32-40PL CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C32-40PQ CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C32-40W CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C52-12PL CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IC80C32-24W 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C32-40PL 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C32-40PQ 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C32-40W 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IC80C51 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER