參數(shù)資料
型號(hào): MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級(jí)的8位微控制器單元)
中文描述: 28引腳單片機(jī)(微控制器)的基礎(chǔ)上MC68HC05P4(28引腳,基于MC68HC05P4升級(jí)的8位微控制器單元)
文件頁(yè)數(shù): 91/102頁(yè)
文件大?。?/td> 930K
代理商: MC68HC05P4A
Electrical Specifications
5.0-Volt Control Timing
MC68HC05P4A — Rev. 6.0
AdvanceInformation
MOTOROLA
Electrical Specifications
91
Figure 12-1. SIOP Timing Diagram
12.10 5.0-Volt Control Timing
SDO
BIT 0
BIT 1
BIT 6
SCK
BIT 7
SDI
BIT 0
BIT 1
BIT 6
BIT 7
1
2
3
4
5
6
Characteristic
Symbol
Min
Max
Unit
Frequency of operation
Crystal option
External clock option
Internal operating frequency
Crystal (f
osc
÷
2)
External Clock (f
osc
÷
2)
Cycle time
f
osc
dc
4.2
4.2
MHz
f
op
dc
2.1
2.1
MHz
t
cyc
t
OXOV
t
ILCH
t
RL
t
ILIH
t
ILIL
t
OH,
t
OL
480
ns
Crystal oscillator startup time
100
ms
Stop recovery startup time (crystal oscillator)
100
ms
RESET pulse width
1.5
t
cyc
ns
Interrupt pulse width low (edge-triggered)
125
Interrupt pulse period
*
t
cyc
ns
OSC1 pulse width
90
Note:
1. V
DD
= 5.0 Vdc
±
10%, V
SS
= 0 Vdc, T
A
= –40
°
C to +85
°
C, unless otherwise noted
*The minimum period tILILshould not be less than the number of cycles it takes to execute the interrupt service routine plus 19 tcyc.
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