參數(shù)資料
型號: CXP921064AGA
英文描述: Microcontroller
中文描述: 微控制器
文件頁數(shù): 26/34頁
文件大?。?/td> 402K
代理商: CXP921064AGA
26
CXP921064A
When lower 2 bits (SCK1, SCK0) of serial mode register (SIOM3: 0001A4h) is specified to "00".
Note)
The load condition for the SO output delay time is 100pF.
(7) Serial transfer (CH3) [Special mode]
(Topr =
20 to +75
°
C, V
DD
= 2.7 to 3.3V, Vss = 0V reference)
Item
SO cycle time
SI input setup time
SI input hold time
Input start bit high level
width
SI
SO
delay time
t
LCY
t
LSU
t
LHD
t
LSBH
t
LIO
Symbol
Pins
Min.
1
2
2
1
Typ.
104
μs
Max.
Unit
Conditions
SO3
SI3
SI3
SI3
SI3
SO3
Start bit
Output data bit
Input data
bit
SO3
t
LCY
t
LCY
0.5V
DD
0.2V
DD
SI3
t
LSU
t
LCY
/2
t
LHD
0.8V
DD
Fig.9. Serial transfer CH3 timing (Special mode)
Input data bit
Output data bit
SI3
t
LSBH
0.2V
DD
0.8V
DD
0.5V
DD
SO3
t
LCY
/2
t
LSU
t
LHD
t
LSU
t
LHD
t
LCY
t
LIO
t
LCY
t
LCY
Fig.10. Serial transfer CH3 timing (Special mode)
f
EX
= 20MH
Z
Communication slave mode
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