參數(shù)資料
型號(hào)： SST89V516RD-33-I-PIE
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40
封裝： LEAD FREE, PLASTIC, MS-011AC, DIP-40
文件頁(yè)數(shù)： 26/80頁(yè)
文件大小： 934K
代理商： SST89V516RD-33-I-PIE
32
Data Sheet
FlashFlex51 MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
2005 Silicon Storage Technology, Inc.
S71273-01-000
3/05
Symbol
Function
TF2
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.
EXF2
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).
RCLK
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.
TCLK
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.
EXEN2
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.
TR2
Start/stop control for Timer 2. A logic 1 starts the timer.
C/T2#
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)
CP/RL2#
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.
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.
T2OE
Timer 2 Output Enable bit.
DCEN
Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down
Timer/Counter 2 Control Register (T2CON)
Location
76543210
Reset Value
C8H
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
C/T2#
CP/RL2#
00H
Timer/Counter 2 Mode Control (T2MOD)
Location
76543210
Reset Value
C9H
------
T2OE
DCEN
xxxxxx00b
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SST89V516RD-33-I-QIF 制造商:SST 制造商全稱(chēng):Silicon Storage Technology, Inc 功能描述:FlashFlex MCU
SST89V52RD2 制造商:SST 制造商全稱(chēng):Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V52RD2/RD 制造商:SST 制造商全稱(chēng):Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V52RD2-33-C-NI 制造商:SST 制造商全稱(chēng):Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V52RD2-33-C-NIE1 制造商:SST 制造商全稱(chēng):Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
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