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參數(shù)資料
| 型號： | SST89E54RD2-40-C-TQI |
| 廠商： | Silicon Storage Technology, Inc. |
| 英文描述： | DIODE SWITCH 80V 25MA SOT-353 |
| 中文描述： | FlashFlex51單片機 |
| 文件頁數(shù)： | 52/91頁 |
| 文件大?。?/td> | 984K |
| 代理商： | SST89E54RD2-40-C-TQI |
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52
Preliminary Specifications
FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
The table below summarizes various clock inputs at two common frequencies.
The four possible CMOD timer modes with and without the overflow interrupt enabled are shown below. This list
assumes that PCA will be left running during idle mode.
The CCON register is associated with all PCA timer functions. It contains run control bits and flags for the PCA
timer (CF) and all modules. To run the PCA the CR bit (CCON.6) must be set by software. Clearing the bit, will turn
off PCA. When the PCA counter overflows, the CF (CCON.7) will be set, and an interrupt will be generated if the
ECF bit in the CMOD register is set. The CF bit can only be cleared by software. Each module has its own timer
interrupt or capture interrupt flag (CCF0 for module 0, CCF4 for module 4, etc.). They are set when either a match
or capture occurs. These flags can only be cleared by software. (See “PCA Timer/Counter Control Register
(CCON)” on page 27.)
TABLE
8-2: PCA T
IMER
/C
OUNTER
I
NPUTS
PCA Timer/Counter Mode
Mode 0: f
OSC
/12
Mode 1:
Mode 2: Timer 0 Overflows
1
Timer 0 programmed in:
8-bit mode
16-bit mode
8-bit auto-reload
Mode 3: External Input MAX
Clock Increments
12 MHz
1 μsec
330 nsec
16 MHz
0.75 μsec
250 nsec
1. In Mode 2, the overflow interrupt for Timer 0 does not need to be enabled.
256 μsec
65 msec
1 to 255 μsec
0.66 μsec
192 μsec
49 μsec
0.75 to 191 μsec
0.50 μsec
T8-2.0 1255
TABLE
8-3: CMOD V
ALUES
PCA Count Pulse Selected
Internal clock, f
OSC
/12
Internal clock, f
OSC
/4
Timer 0 overflow
External clock at P1.2
CMOD Value
Without Interrupt Enabled
00H
02H
04H
06H
With Interrupt Enabled
01H
03H
05H
07H
T8-3.0 1255
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SST89E54RD2-40-C-TQJ | FlashFlex51 MCU |
| SST89E54RD2-40-I-NJ | XSTR GP SWITCH 75V 0.6A |
| SST89E54RD2-40-I-PI | FlashFlex51 MCU |
| SST89E54RD2-40-I-PJ | FlashFlex51 MCU |
| SST89E54RD2-40-I-TQI | FlashFlex51 MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SST89E54RD2-40-C-TQIE1 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2-40-C-TQIF2 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2-40-C-TQJ | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2-40-C-TQJE | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2-40-C-TQJE1 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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