參數(shù)資料
型號(hào)： VMX51C900
廠(chǎng)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(yè)數(shù)： 17/55頁(yè)
文件大?。?/td> 2395K
代理商： VMX51C900
VMX51C900
______________________________________________________________________________________________
www.ramtron.com
page 17 of 55
operates as 13-bit counter made up of 5 LSBs from the
TLx register and the 8 upper bits coming from the THx
register. When an overflow causes the value of the
register to roll over to 0, the TFx interrupt signal goes
to 1. The count value is validated as soon as TRx goes
to 1 and the GATE bit is 0, or when INTx is 1.
F
IGURE
6:
T
IMER
/C
OUNTER
1
M
ODE
0:
13-B
IT
C
OUNTER
Fosc
÷12
T1/T0 pin
C/T1 / C/T0 =0
C/T1 / CT0 =1
TR1/TR0
GATE1 /
GATE0
INT1 /
INT0 pin
0
1
0
7
4
Mode 0
Mode 1
0
7
TL1 / TL0
TF1 /
TF0
INT
TH1 / TH0
CLK
Control
Mode 1
Mode 1 is almost identical to Mode 0, with the
difference being that in Mode 1, the counter/timer uses
the full 16-bits of the Timer.
Mode 2
In this Mode, the register of the Timer is configured as
an 8-bit auto-re-loadable Counter/Timer. In Mode 2,
the TLx is used as the counter. In the event of a
counter overflow, the TFx flag is set to 1 and the value
contained in THx, which is preset by software, is
reloaded into the TLx counter. The value of THx
remains unchanged.
F
IGURE
7:
T
IMER
/C
OUNTER
1
M
ODE
2:
8-
BIT
A
UTOMATIC
R
ELOAD
÷12
T1 / T0 Pin
C/T1 / C/T0 = 1
TR1 / TR0
GATE1 / GATE0
0
1
0
7
TH1 / TH0
Fosc
TF1 / TF0
INT
0
7
INT1 / INT0 pin
TL1 / TL0
Control
Reload
C/T1 / C/T0 = 1
Mode 3
In Mode 3, Timer 1 is blocked as if its’ control bit, TR1,
was set to 0. In this mode, Timer 0’s registers TL0 and
TH0 are configured as two separate 8-bit counters.
The TL0 counter uses Timer 0’s control bits (C/T,
GATE, TR0, INT0, TF0), the TH0 counter is held in
Timer Mode (counting machine cycles) and gains
control over TR1 and TF1 from Timer 1. At this point,
TH0 controls the Timer 1 interrupt.
F
IGURE
8:
T
IMER
/C
OUNTER
0
M
ODE
3
Fosc
÷12
T0PIN
C/T =0
C/T =1
TR0
GATE
INT0 PIN
0
1
0
7
TL0
TF0
CLK
Control
INTERRUPT
0
7
TH0
TF1
CLK
Control
INTERRUPT
TR1
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相關(guān)代理商/技術(shù)參數(shù)
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(xiàn)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
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(xiàn)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
VMX51C900-25-L-G 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)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(xiàn)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
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(xiàn)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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