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参数资料
| 型号： | SST89E516RD2-33-C-NI |
| 厂商： | Silicon Storage Technology, Inc. |
| 英文描述： | FlashFlex51 MCU |
| 中文描述： | FlashFlex51单片机 |
| 文件页数： | 33/91页 |
| 文件大小： | 984K |
| 代理商： | SST89E516RD2-33-C-NI |
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Preliminary Specifications
FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
33
2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
Symbol
TF2
Function
Timer 2 overflow flag set by a Timer 2 overflow and must be cleared by software. TF2
will not be set when either RCLK or TCLK = 1.
Timer 2 external flag set when either a capture or reload is caused by a negative
transition on T2EX and EXEN2 = 1. When Timer 2 interrupt is enabled, EXF2 = 1 will
cause the CPU to vector to the Timer 2 interrupt routine. EXF2 must be cleared by
software. EXF2 does not cause an interrupt in up/down counter mode (DCEN = 1).
Receive clock flag. When set, causes the serial port to use Timer 2 overflow pulses for
its receive clock in modes 1 and 3. RCLK = 0 causes Timer 1 overflow to be used for
the receive clock.
Transmit clock flag. When set, causes the serial port to use Timer 2 overflow pulses for
its transmit clock in modes 1 and 3. TCLK = 0 causes Timer 1 overflow to be used for
the transmit clock.
Timer 2 external enable flag. When set, allows a capture or reload to occur as a result
of a negative transition on T2EX if Timer 2 is not being used to clock the serial port.
EXEN2 = 0 causes Timer 2 to ignore events at T2EX.
Start/stop control for Timer 2. A logic 1 starts the timer.
Timer or counter select (Timer 2)
0: Internal timer (OSC/6 in 6 clock mode, OSC/12 in 12 clock mode)
1: External event counter (falling edge triggered)
Capture/Reload flag. When set, captures will occur on negative transitions at T2EX if
EXEN2 = 1. When cleared, auto-reloads will occur either with Timer 2 overflows or
negative transitions at T2EX when EXEN2 = 1. When either RCLK = 1 or TCLK = 1,
this bit is ignored and the timer is forced to auto-reload on Timer 2 overflow.
EXF2
RCLK
TCLK
EXEN2
TR2
C/T2#
CP/RL2#
Symbol
-
Function
Not implemented, reserved for future use.
Note:
User should not write ‘1’s to reserved bits. The value read from a reserved bit is indeterminate.
Timer 2 Output Enable bit.
Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down
counter.
T2OE
DCEN
Timer/Counter 2 Control Register (T2CON)
Location
C8H
7
6
5
4
3
2
1
0
Reset Value
00H
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
C/T2#
CP/RL2#
Timer/Counter 2 Mode Control (T2MOD)
Location
C9H
7
-
6
-
5
-
4
-
3
-
2
-
1
0
Reset Value
xxxxxx00b
T2OE
DCEN
相关PDF资料 |
PDF描述 |
|---|---|
| SST89E516RD2-33-C-NJ | FlashFlex51 MCU |
| SST89E516RD2-33-C-PI | FlashFlex51 MCU |
| SST89E516RD2-33-C-PJ | FlashFlex51 MCU |
| SST89V58RD2-40-I-PJ | FlashFlex51 MCU |
| SST89V58RD2-40-I-TQI | FlashFlex51 MCU |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SST89E516RD2-33-C-NJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E516RD2-33-C-PI | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E516RD2-33-C-PJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E516RD2-33-C-TQI | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E516RD2-33-C-TQJ | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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