参数资料
型号: MC68HC05V7FN
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 71/170页
文件大小: 589K
代理商: MC68HC05V7FN
MOTOROLA
SECTION 17: ELECTRICAL SPECIFICATIONS
Page 148
MC68HC05V7 Specification Rev. 1.0
SERIAL PERIPHERAL INTERFACE (SPI) TIMING
(VDD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH)
* Signal production depends on software.
** Assumes 200 pF load on all SPI pins.
Num
Characteristic
Symbol
Min
Max
Unit
Operating Frequency
Master
Slave
f
OP
(M)
f
OP
(S)
dc
0.5
4.2
f
OP
MHz
1
Cycle Time
Master
Slave
t
CYC
(M)
t
CYC
(S)
2.0
240
t
CYC
ns
2
Enable Lead Time
Master
Slave
t
LEAD
(M)
tlead(s)
*
240
ns
3
Enable Lag Time
Master
Slave
t
LAG
(M)
t
LAG
(S)
*
240
ns
4
Clock (SCK) High Time
Master
Slave
t
W
(SCKH)M
t
W
(SCKH)S
340
190
ns
5
Clock (SCK) Low Time
Master
Slave
t
W
(SCKL)M
t
W
(SCKL)S
340
190
ns
6
Data Setup Time (Inputs)
Master
Slave
t
SU
(M)
t
SU
(S)
100
ns
7
Data Hold Time (Inputs)
Master
Slave
t
H
(M)
t
H
(S)
100
ns
8
Access Time (Time to Data Active from High-
Impedance State)
Slave
t
A
0
120
ns
9
Disable Time (Hold Time to High-Impedance State)
Slave
t
DIS
240
ns
10
Data Valid (After Enable Edge)**
t
V
(S)
240
ns
11
Data Hold Time (Output) (After Enable Edge)
t
HO
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)
t
RM
t
RS
100
2.0
ns
us
13
Fall Time (70% VDD to 20% VDD, CL =200 pF)
SPI Outputs (SCK, MOSI, and MISO)
SPI Inputs (SCK, MOSI, MISO, and SS)
t
FM
t
FS
100
2.0
ns
us
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