參數(shù)資料
型號(hào)： SAF-XC886C-6FFA
廠商： INFINEON TECHNOLOGIES AG
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 80/119頁
文件大?。?/td> 895K
代理商： SAF-XC886C-6FFA
XC886/888CLM
Functional Description
Data Sheet
Prelimary
76
V0.1, 2006-02
Fractional divider (STEP/256) defined by register FDSTEP
(to be considered only if fractional divider is enabled and operating in fractional divider
mode)
8-bit reload value (BR_VALUE) for the baud rate timer defined by register BG
The following formulas calculate the final baud rate without and with the fractional divider
respectively:
The maximum baud rate that can be generated is limited to
f
PCLK
/32. Hence, for a module
clock of 24 MHz, the maximum achievable baud rate is 0.75 MBaud.
Standard LIN protocal can support a maximum baud rate of 20kHz, the baud rate
accuracy is not critical and the fractional divider can be disabled. Only the prescaler is
used for auto baud rate calculation. For LIN fast mode, which supports the baud rate of
20kHz to 115.2kHz, the higher baud rates require the use of the fractional divider for
greater accuracy.
Table 29
lists the various commonly used baud rates with their corresponding parameter
settings and deviation errors. The fractional divider is disabled and a module clock of
24 MHz is used.
Table 29
Typical Baud rates for UART with Fractional Divider disabled
The fractional divider allows baud rates of higher accuracy (lower deviation error) to be
generated.
Table 30
lists the resulting deviation errors from generating a baud rate of
115.2 kHz, using different module clock frequencies. The fractional divider is enabled
(fractional divider mode) and the corresponding parameter settings are shown.
Baud rate
Prescaling Factor
(2
BRPRE
)
1 (BRPRE=000
B
)
1 (BRPRE=000
B
)
2 (BRPRE=001
B
)
4 (BRPRE=010
B
)
Reload Value
(BR_VALUE + 1)
78 (4E
H
)
156 (9C
H
)
156 (9C
H
)
156 (9C
H
)
Deviation Error
19.2 kBaud
9600 Baud
4800 Baud
2400 Baud
0.17 %
0.17 %
0.17 %
0.17 %
baud rate
f
BR_VALUE
(
×
16
2
BRPRE
1
+
)
×
-----------------------------------------------------------------------------------
where 2
BRPRE
BR_VALUE
1
+
(
)
1
>
×
=
baud rate
f
BR_VALUE
(
×
16
2
BRPRE
1
+
)
×
-----------------------------------------------------------------------------------
256
STEP
×
=
相關(guān)PDF資料
PDF描述
SAF-XC886C-6FFI 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
SAF-XC886C-8FFA 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
SAF-XC886C-8FFI 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
SAF-XC886CLM-6FFA 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
SAF-XC886CLM-6FFI 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF-XC886C-6FFA 5V AC 功能描述:8位微控制器 -MCU MICROCONTROLLER 8-BIT 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
SAF-XC886C-6FFA5VAC 功能描述:8位微控制器 -MCU 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
SAF-XC886C-6FFI 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller
SAF-XC886C-6FFI 3V3 制造商:Infineon Technologies AG 功能描述:
SAF-XC886C-6FFI 3V3 AC 功能描述:8位微控制器 -MCU MICROCONTROLLER 8-BIT 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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
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