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參數(shù)資料
| 型號： | CXP85228AQ |
| 廠商： | Sony Corporation |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 259K |
| 代理商： | CXP85228AQ |
– 16 –
CXP85112B/85116B, CXP85220A/85224A/85228A/85232A
(6) I
2
C bus timing
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V reference)
Item
SCL clock frequency
Bus free time prior to transfer start
Transfer start hold time
Clock Low level width
Clock High level width
Setup time during repetitive transfer
Data hold time
Data setup time
SDA, SCL rise time
SDA, SCL fall time
Transfer end setup time
1
The data hold time does not take into consideration SCL rise time (300ns max.). Ensure that the data hold
time exceeds 300ns.
f
SLC
t
BUF
t
HD; STA
t
LOW
t
HIGH
t
SU; STA
t
HD; DAT
t
SU; DAT
t
R
t
F
t
SU; STO
SCL
SDA, SCL
SDA, SCL
SCL
SCL
SDA, SCL
SDA, SCL
SDA, SCL
SDA, SCL
SDA, SCL
SDA, SCL
0
4.7
4.0
4.7
4.0
4.7
0
1
250
4.7
100
1
300
kHz
μs
μs
μs
μs
μs
μs
ns
μs
ns
μs
Symbol
Pins
Conditions
Min.
Max.
Unit
Fig. 9. I
2
C bus transfer timing
P
St
t
SU; STO
t
SU; STA
t
HD; STA
t
SU; DAT
t
HIGH
t
HD; DAT
t
F
t
R
t
LOW
t
HD; STA
S
P
t
BUF
SDA
SCL
Fig. 10. Recommended circuit example for I
2
C device
I
2
C device
I
2
C device
R
S
R
S
R
S
R
S
R
P
R
P
SDA0
(or SDA1)
SCL0
(or SCL1)
Pull-up resistors (R
P
) must be connected to SDA0 (or SDA1) and SCL0 (or SCL1).
Serial resistance (Rs = 300
and under) of SDA0 (or SDA1) and SCL0 (or SCL1) reduces spike noise
caused by CRT flashover.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CXP85228AS | 8-BIT MICROCONTROLLER |
| CXP85232AQ | 8-BIT MICROCONTROLLER |
| CXP85112 | CMOS 8-bit Single-chip Microcomputer |
| CXP85112B | CMOS 8-bit Single-chip Microcomputer |
| CXP85116B | CMOS 8-bit Single-chip Microcomputer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CXP85228AS | 制造商:Sony Semiconductor Solutions Division 功能描述:8-BIT, MROM, 4.5 MHZ, MICROCONTROLLER, PDIP64 |
| CXP85228S | 制造商:Sony Semiconductor Solutions Division 功能描述:8-BIT, MROM, 4.5 MHZ, MICROCONTROLLER, PDIP64 |
| CXP85232A | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:CMOS 8-bit Single-chip Microcomputer |
| CXP-85232A | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:CMOS 8-bit Single-chip Microcomputer |
| CXP85232AQ | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:8-Bit Microcontroller |
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