參數(shù)資料
型號(hào): MC68HC705SR3CFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁(yè)數(shù): 80/96頁(yè)
文件大小: 612K
代理商: MC68HC705SR3CFB
MC68HC05SR3
MOTOROLA
11-5
ELECTRICAL SPECIFICATIONS
11
11.5
Control Timing
Table 11-4 Control Timing for 5V Operation
(VDD=5.0Vdc ±10%, VSS=0Vdc, temperature range=0 to 70°C)
CHARACTERISTICS
SYMBOL
MINIMUM
MAXIMUM
UNIT
Frequency of operation
RC oscillator Option
Crystal option
External clock option
fOSC
0.1
dc
4.0
MHz
Internal operating frequency (fOSC/2)
RC oscillator
Crystal
External clock
fOP
dc
2.0
MHz
Processor cycle time (1/fOP)tCYC
500
ns
RC oscillator stabilization time
tRCON
—1
ms
Crystal oscillator start-up time (crystal oscillator)
tOXOV
100
ms
Stop recovery start-up time (crystal oscillator)
tILCH
100
ms
RESET pulse width low
tRL
1.5
tCYC
Timer resolution(2)
tRESL
See note (2)
tCYC
Interrupt pulse width low (edge-triggered)
tILIH
125
ns
Interrupt pulse period
tILIL
See note (3)
tCYC
PA0-PA7 interrupt pulse width high (edge-triggered)
tIHIL
125
ns
PA0-PA7 interrupt pulse period
tIHIH
See note (3)
tCYC
OSC1 pulse width
t
90
ns
RC oscillator frequency combined stability(4)
fOSC=2.0MHz, VDD=5.0Vdc±10%, tA=-40°C to +85°C
fOSC=2.0MHz, VDD=5.0Vdc±10%, tA=0°C to +40°C
f
OSC
f
OSC
±25
±15
%
Notes:
(1) VDD=5.0Vdc±10%, VSS=0Vdc, tA=tL to tH
(2) The TIMER input pin is the limiting factor in determining timer resolution.
(3) 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.
(4) Effects of processing, temperature, and supply voltage (excluding tolerances of external R and C).
TPG
79
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