参数资料
型号: MC68HC11F1CPU4
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 14 MM, 1.40 MM HEIGHT, LQFP-80
文件页数: 55/162页
文件大小: 4554K
代理商: MC68HC11F1CPU4
ELECTRICAL CHARACTERISTICS
MC68HC11F1
A-14
TECHNICAL DATA
NOTES:
1. All timing is shown with respect to 20% VDD and 70% VDD, unless otherwise noted.
2. Signal production depends on software.
3. Assumes 200 pF load on all SPI pins.
Table A-8 Serial Peripheral Interface Timing
VDD = 5.0 Vdc ± 5%, VSS = 0 Vdc, TA = TL to TH
Num
Characteristic
Symbol
2.0 MHz
3.0 MHz
4.0 MHz
Unit
Min
Max
Min
Max
Min
Max
Operating Frequency
Master
Slave
fop(m)
fop(s)
dc
1.0
2.0
dc
1.5
3.0
dc
2.0
4.0
MHz
1
Cycle Time
Master
Slave
tcyc(m)
tcyc(s)
2.0
500
—
2.0
333
—
2.0
250
—
tcyc
ns
2
Enable Lead Time
Master
(Note 2)
Slave
tlead(m)
tlead(s)
—
250
—
240
—
200
—
ns
3
Enable Lag Time
Master
(Note 2)
Slave
tlag(m)
tlag(s)
—
250
—
240
—
200
—
ns
4
Clock (SCK) High Time
Master
Slave
tw(SCKH)m
tw(SCKH)s
340
190
—
227
127
—
130
85
—
ns
5
Clock (SCK) Low Time
Master
Slave
tw(SCKL)m
tw(SCKL)s
340
190
—
227
127
—
130
85
—
ns
6
Data Setup Time (Inputs)
Master
Slave
tsu(m)
tsu(s)
100
—
100
—
100
—
ns
7
Data Hold Time (Inputs)
Master
Slave
th(m)
th(s)
100
—
100
—
100
—
ns
8
Access Time (Time to Data Active from
High-Impedance State)
Slave
ta
0
120
0
120
0
120
ns
9
Disable Time (Hold Time to High-Impedance State)
Slave
tdis
—
240
—
167
—
125
ns
10
Data Valid (After Enable Edge)
(Note 3)
tv(s)
—
240
—
167
—
125
ns
11
Data Hold Time (Outputs) (After Enable Edge)
tho
0—0—0—
ns
12
Rise Time (20% VDD to 70% VDD, CL = 200 pF)
SPI Outputs (SCK, MOSI, and MISO)
SPI Inputs (SCK, MOSI, MISO, and SS)
trm
trs
—
100
2.0
—
100
2.0
—
100
2.0
ns
s
13
Fall Time (70% VDD to 20% VDD, CL = 200 pF)
SPI Outputs (SCK, MOSI, and MISO)
SPI Inputs (SCK, MOSI, MISO, and SS)
tfm
tfs
—
100
2.0
—
100
2.0
—
100
2.0
ns
s
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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