參數資料
型號: 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: 65/119頁
文件大?。?/td> 895K
代理商: SAF-XC886C-6FFA
XC886/888CLM
Functional Description
Data Sheet
Prelimary
61
V0.1, 2006-02
3.7
Reset Control
The XC886/888 has five types of reset: power-on reset, hardware reset, watchdog timer
reset, power-down wake-up reset, and brownout reset.
When the XC886/888 is first powered up, the status of certain pins (see
Table 23
) must
be defined to ensure proper start operation of the device. At the end of a reset sequence,
the sampled values are latched to select the desired boot option, which cannot be
modified until the next power-on reset or hardware reset. This guarantees stable
conditions during the normal operation of the device.
In order to power up the system properly, the external reset pin RESET must be asserted
until V
DDC
reaches 0.9*V
DDC
. The delay of external reset can be realized by an external
capacitor at RESET pin. This capacitor value must be selected so that V
RESET
reaches
0.4 V, but not before V
DDC
reaches 0.9* V
DDC.
A typical application example is shown in
Figure 23
. For a voltage regulator with IDD
max
= 100 mA, the V
DDP
capacitor value is 10
μ
F. V
DDC
capacitor value is 220 nF. The
capacitor connected to RESET pin is 100 nF.
Typically, the time taken for V
DDC
to reach 0.9*V
DDC
is less than 50
μ
s once V
DDP
reaches 2.3V. Hence, based on the condition that 10% to 90% V
DDP
(slew rate) is less
than 500
μ
s, the RESET pin should be held low for 500
μ
s typically. See
Figure 24
.
Figure 23
Reset Circuitry
VSSP
VDDP
VDDC
VSSC
3 - 5V /
e.g. 100mA
RESET
EVR
VR
Vin
e.g. 10uF
220nF
typ.
100nF
XC886/888
30k
相關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
相關代理商/技術參數
參數描述
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 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 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 安裝風格:SMD/SMT