參數(shù)資料
型號(hào)： DMC73C168
英文描述： 8Bit Single Chip Microcontroller
中文描述： 8位單芯片微控制器
文件頁數(shù)： 12/90頁
文件大?。?/td> 742K
代理商： DMC73C168
12
8Bit Single Chip Microcontroller
DMC73C167
3.4 AC Characteristics (Continued)
A/D Converter
Parameter
Test Conditions
Min
Typ
Max
Unit
Resolution
4
bit
Non-linearity
TOPR = -10°through +70°
Zero error
VCC = 5V±10%
±1/2
±1
LSB
Full-scale error
VSS = 0V, FOSC = 6MHz
Conversion time*
13.3
uS
* External sample hold circuit is required during 40 machine cycle times. Resolution is dependent
on ripple supply voltage(VCC<V
REF
). Ripple must not exceed 5mVp-p.
I2C
Parameter
Symbol
Min
Max
Unit
SCL clock frequency
fSCL
0
100
kHz
Time the bus must be free before
a new transmission can start*
Hold time start condition*
tHD;STA
4
us
Low period of the clock*
tLOW
4.7
us
High period of the clock*
tHIGH
4
us
Setup time for start condition*
tSU;STA
4.7**
us
Hold time data
tHD;DAT
0
us
Setup time data
tSU;DAT
250
ns
Rise time of both SDA and SCL lines
tR
1
us
Fall time of both SDA and SCL lines
tF
300
ns
Setup time for stop condition*
tSU;STO
4.7
us
* The value is like above when the digital filter is off. Add 4/Fosc to this value when the
digital filter is on.
** This time must be satisfied by the software delay.
tBUF
4.7
us
￡￡á￡￡×￡￡
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