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參數(shù)資料
| 型號(hào)： | VRS550-PAI25 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
| 中文描述： | VRS550 - 8KB閃存，256B的RAM，25MHz的，8位微控制器VRS560 - 16kB的閃存，256B的RAM，25MHz的，8位微控制器 |
| 文件頁數(shù)： | 17/40頁 |
| 文件大?。?/td> | 868K |
| 代理商： | VRS550-PAI25 |
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VRS550 / VRS560
VERSA
Datasheet Rev 1.1
1134 Ste Catherine Street West, Suite 900, Montreal, Quebec, Canada H3B 1H4
Tel: (514) 871-2447
http://www.goalsemi.com
17
When EXEN2 = 1, the above still applies. 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.
Auto-Reload Mode
In this mode, there are also two options. The user may
choose either option by writing to bit EXEN2 in T2CON.
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, then Timer 2 still performs the above
operation, but a 1 to 0 transition at the external T2EX
input will also trigger an anticipated reload of the Timer
2 with the value stored in RCAP2L, RCAP2H and set
EXF2.
F
IGURE
15:
T
IMER
2
IN AUTO
-
RELOAD MODE
F
OSC
÷12
TIMER
COUNTER
C/T2
0
1
T2 Pin
TR2
T2 EX Pin
0
7
0
7
0
7
0
7
Timer 2
EXF2
EXEN2
RCAP2L
RCAP2H
TL2
TH2
TF2
Baud Rate Generator Mode
The baud rate generator mode is activated when RCLK
is set to 1 and/or TCLK is set to 1. This mode will be
described in the serial port section.
F
IGURE
16:
T
IMER
2
IN AUTOMATIC
B
AUD
G
ENERATOR
M
ODE
F
OSC
÷2
TIMER
COUNTER
C/T2
0
1
T2 Pin
TR2
T2 EX Pin
0
7
0
7
0
7
0
7
EXF2
EXEN2
RCAP2L
RCAP2H
TL2
TH2
÷2
÷16
÷16
SMOD
0
1
Timer 1 Overflow
0
1
0
1
TCLK
RCLK
TX Clock
RX Clock
Timer 2
Interrupt
Request
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| VRS550-QLC25 | VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| VRS550-PLC25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
| VRS550-PLI25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
| VRS550-QAC25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
| VRS550-QAI25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
| VRS550-QLC25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCU |
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