參數(shù)資料
型號: MC68HC05E6VFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 16/140頁
文件大?。?/td> 1141K
代理商: MC68HC05E6VFB
Electrical Specications
MC68HC05E6 — Rev. 1.0
112
Electrical Specifications
MOTOROLA
Table 24 AC electrical characteristics for 3.3V operation
(VDD = 3.3 Vdc ± 10%, VSS = 0 Vdc, TA = TL to TH)
Characteristic
Symbol
Min
Max
Unit
Frequency of operation
Crystal
External clock
fOSC
dc
2.1
MHz
Internal operating frequency
Crystal (fOSC /2)
External clock (fOSC /2)
fOP
dc
1.05
MHz
Processor cycle time
tCYC
1000
ns
Ceramic resonator start-up time
tOCOV
—20
ms
Ceramic resonator STOP recovery start-up time
tICCH
—20
ms
OSC1 pulse width
tOH, tOL
200
ns
RESET pulse width
tRL
1.5
tCYC
EEPROM byte erase time
tEBYT
—20
ms
EEPROM block erase time
tEBLOCK
100
ms
EEPROM bulk erase time
tEBULK
200
ms
EEPROM byte program time
tEEPGM
—20
ms
EEPROM programming voltage fall time
tFPV
—10
s
RC oscillator stabilization (EEPROM, A/D)(1)
tADRC
—5
s
A/D current stabilization time
tADON
100
s
16-bit timer
Resolution(2)
Input capture pulse width
Input capture pulse period
tRESL
tTLTH
tTLTL
4
500
(3)
tCYC
ns
tCYC
Power-on reset delay
tPORL
4064
tCYC
Interrupt pulse width low (edge-triggered)
tILIH
250
ns
Interrupt pulse period (see Figure 30)
tILIL
(4)
tCYC
1. For bus frequencies less than 1MHz, the internal RC oscillator should be used when programming the EEPROM.
2. Since the 2-bit prescaler in the timer must count four external cycles (tCYC), this is the limiting factor in determining the
timer resolution.
3. The minimum period tTLTL should not be less than the number of cycles it takes to execute the capture interrupt service
routine plus 24 tCYC.
4. The minimum period tILIL should not be less than the number of cycles it takes to execute the interrupt service routine plus
21 tCYC.
8-elec
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