參數(shù)資料
型號(hào): MC68HC05P4ADWE
廠(chǎng)商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁(yè)數(shù): 61/72頁(yè)
文件大小: 400K
代理商: MC68HC05P4ADWE
Electrical Specifications
MC68HC05P4A Data Sheet, Rev. 7.1
64
Freescale Semiconductor
12.10 3.3-Volt Control Timing
Figure 12-2. STOP Recovery Timing
Characteristic
Symbol
Min
Max
Unit
Frequency of operation
Crystal Option
External Clock Option
fosc
dc
2.0
MHz
Internal operating frequency
Crystal (fosc ÷ 2)
External clock (fosc ÷ 2)
fop
dc
1.0
MHz
Cycle time
tcyc
1000
ns
Crystal oscillator startup time
tOXOV
100
ms
Stop recovery startup time (crystal oscillator)
tILCH
100
ms
RESET pulse width, excluding powerup
tRL
1.5
tcyc
Interrupt pulse width low (edge-triggered)
tILIH
250
ns
Interrupt pulse period
tILIL
*—
tcyc
OSC1 pulse width
tOH, tOL
200
ns
Notes:
1. VDD = 3.3 Vdc ± 10%, VSS = 0 Vdc, TA = –40°C to +85°C, unless otherwise noted
*The minimum period t
ILIL
should not be less than the number of cycles it takes to execute the interrupt service routine plus 19 t
cyc
.
1FFF
1FFE
4
RESET OR INTERRUPT
VECTOR FETCH
INTERNAL
CLOCK
IRQ 3
OSC 1
IRQ 2
INTERNAL
ADDRESS
BUS
RESET
Notes:
1. Represents the internal clocking of the OSC1 pin.
2. IRQ pin edge-sensitive mask option
3. IRQ pin level- and edge-sensitive mask option
4. RESET vector address shown for timing example
tRL
tILIH
4064
tcyc
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