参数资料
型号: MC68HSC05K0P
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP16
封装: PLASTIC, DIP-16
文件页数: 26/154页
文件大小: 1544K
代理商: MC68HSC05K0P
Electrical Specifications
3.3-Volt Control Timing
MC68HC05K0 MC68HC05K1 — Rev. 2.0
Technical Data
MOTOROLA
Electrical Specifications
121
11.11 3.3-Volt Control Timing
Characteristic(1)
1. VDD = 3.3 Vdc ±10%
Symbol
Min
Max
Unit
Oscillator frequency
3-pin RC oscillator
2-pin RC oscillator
Crystal(2)/ceramic resonator
External clock
2. Use only AT-cut crystals.
fosc
0.1(3)
0.1(2)
0.500
dc
3. Minimum oscillator frequency with RC oscillator option is limited only by size of external R and C and leakage of external C.
1.2
2.0
MHz
Internal operating frequency (fosc ÷ 2)
3-pin RC oscillator
2-pin RC oscillator
Crystal(1)/ceramic resonator
External clock
fop
0.05(2)
0.250
dc
0.6
1.0
MHz
2-pin RC oscillator frequency combined stability(4)
fosc = 2.0 MHz; VDD = 3.3 Vdc ±0.3 V; TA = –40°C to +85°C
fosc = 2.0 MHz; VDD = 3.3 Vdc ±0.3 V; TA = 0°C to +40°C
4. Includes processing tolerances and variations in temperature and supply voltage; excludes tolerances of external R and C.
f
osc
±35
±20
%
3-pin RC oscillator frequency combined stability(3)
fosc = 1.0 MHz; VDD = 3.3 Vdc ± 0.3 V; TA = –40°C to +85°C
fosc = 1.0 MHz; VDD = 3.3 Vdc ± 0.3 V; TA = 0°C to +40°C
f
osc
±15
±10
%
Cycle time (1
÷ f
op)tcyc
1000
ns
RC oscillator stabilization time
tRCON
—1
ms
Crystal oscillator startup time
tOXOV
100
ms
Stop recovery startup time
tILCH
100
ms
RESET pulse width low
tRL
1.5
tcyc
Timer resolution(5)
5. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
tRESL
4.0
tcyc
IRQ interrupt pulse width low (edge-triggered)
tILIH
250
ns
IRQ interrupt pulse period
tILIL
Note(6)
6. The minimum period, tILIL or tIHIH, should not be less than the number of cycles it takes to execute the interrupt service
routine plus 19 tcyc.
tcyc
PA3–PA0 interrupt pulse width high (edge-triggered)
tIHIL
250
ns
PA3–PA0 interrupt pulse period
tIHIH
Note(5)
tcyc
OSC1 pulse width
tOH, tOL
200
ns
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