參數(shù)資料
型號: PIC16F819
廠商: Microchip Technology Inc.
英文描述: 18/20-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology(18/20引腳,納瓦技術(shù)增強(qiáng)FLASH微控制器)
中文描述: 18/20-Pin增強(qiáng)型閃存微控制器采用納瓦技術(shù)(18/20引腳,納瓦技術(shù)增強(qiáng)閃存微控制器)
文件頁數(shù): 141/164頁
文件大?。?/td> 3045K
代理商: PIC16F819
2002 Microchip Technology Inc.
Preliminary
DS39598C-page 139
PIC16F818/819
TABLE 15-8:
I
2
C BUS DATA REQUIREMENTS
Param.
No.
Symbol
Characteristic
Min
Max
Units
Conditions
100*
T
HIGH
Clock high time
100 kHz mode
400 kHz mode
SSP Module
100 kHz mode
400 kHz mode
SSP Module
100 kHz mode
400 kHz mode
4.0
0.6
μ
s
μ
s
1.5 T
CY
4.7
1.3
1.5 T
CY
20 + 0.1 C
B
101*
T
LOW
Clock low time
μ
s
μ
s
102*
T
R
SDA and SCL rise
time
1000
300
ns
ns
C
B
is specified to be from
10 - 400 pF
103*
T
F
SDA and SCL fall
time
100 kHz mode
400 kHz mode
300
300
ns
ns
20 + 0.1 C
B
C
B
is specified to be from
10 - 400 pF
Only relevant for
Repeated START
condition
After this period, the first
clock pulse is generated
90*
T
SU
:
STA
START condition
setup time
100 kHz mode
400 kHz mode
4.7
0.6
μ
s
μ
s
91*
T
HD
:
STA
START condition
hold time
100 kHz mode
400 kHz mode
4.0
0.6
0
0
250
100
4.7
0.6
4.7
1.3
0.9
3500
μ
s
μ
s
ns
μ
s
ns
ns
μ
s
μ
s
ns
ns
μ
s
μ
s
106*
T
HD
:
DAT
Data input hold time 100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
107*
T
SU
:
DAT
Data input setup
time
(Note 2)
92*
T
SU
:
STO
STOP condition
setup time
109*
T
AA
Output valid from
clock
(Note 1)
110*
T
BUF
Bus free time
Time the bus must be free
before a new transmission
can start
C
B
These parameters are characterized but not tested.
Note 1:
As a transmitter, the device must provide this internal minimum delay time to bridge the undefined region
(min. 300 ns) of the falling edge of SCL to avoid unintended generation of START or STOP conditions.
2:
A Fast mode (400 kHz) I
2
C bus device can be used in a Standard mode (100 kHz) I
2
C bus system, but the
requirement T
SU
:
DAT
250 ns must then be met. This will automatically be the case if the device does not
stretch the LOW period of the SCL signal. If such a device does stretch the LOW period of the SCL signal, it
must output the next data bit to the SDA line T
R
max. + T
SU
:
DAT
= 1000 + 250 = 1250 ns (according to the
Standard mode I
2
C bus specification), before the SCL line is released.
Bus capacitive loading
400
pF
*
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PIC16F819-E/ML 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F819-E/P 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F819-E/SO 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F819-E/SS 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F819-E/SSVAO 制造商:Microchip Technology Inc 功能描述: