參數(shù)資料
型號: VMX51C900
廠商: Electronic Theatre Controls, Inc.
英文描述: Versa Mix 8051 MCU with LCD Controller and ADC
中文描述: 8051反之亦然混合與LCD控制器和ADC的微控制器
文件頁數(shù): 19/55頁
文件大?。?/td> 2395K
代理商: VMX51C900
VMX51C900
______________________________________________________________________________________________
www.ramtron.com
page 19 of 55
When EXEN2 = 1, the above still applies, however, in
addition, it is possible to allow a 1 to 0 transition at the
T2EX input to cause the current value stored in the
Timer 2 registers (TL2 and TH2) to be captured into
the RCAP2L and RCAP2H registers. Furthermore, the
transition at T2EX causes bit EXF2 in T2CON to be
set, and EXF2, like TF2, can generate an interrupt.
Note that both EXF2 and TF2 share the same interrupt
vector.
Timer 2 Auto-Reload Mode
In this mode, there are also two options controlled by
the EXEN2 bit in the T2CON register.
If EXEN2 = 0, when Timer 2 rolls over, it not only sets
TF2, but also causes the Timer 2 registers to be
reloaded with the 16-bit value in the RCAP2L and
RCAP2H registers previously initialised. In this mode,
Timer 2 can be used as a baud rate generator source
for the serial port.
If EXEN2=1, Timer 2 still performs the above
operation, however, additionally, a 1 to 0 transition at
the external T2EX input will also trigger an anticipated
reload of Timer 2 with the value stored in RCAP2L,
RCAP2H and set EXF2.
F
IGURE
10:
T
IMER
2
IN AUTO
-
RELOAD MODE
F
OSC
÷12
TIMER
COUNTER
C/T2
0
1
T2 pin
TR2
T2EX pin
0
7
0
7
0
7
0
7
Timer 2
Interrupt
EXF2
EXEN2
RCAP2L
RCAP2H
TL2
TH2
TF2
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參數(shù)描述
VMX51C900-25-L 功能描述:8位微控制器 -MCU 8K+256 25MHz 5V 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
VMX51C900-25-LG 功能描述:8位微控制器 -MCU 8K+256 25MHz 5V 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
VMX51C900-25-L-G 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Versa Mix 8051 MCU with LCD Controller and ADC
VMX51C900-25-P 功能描述:8位微控制器 -MCU 8K+256 25MHz 5V 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
VMX51C900-25-PG 功能描述:8位微控制器 -MCU 8K+256 25MHz 5V 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