參數(shù)資料
型號(hào)： SST89V58RD2-33-I-NJE
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
封裝： ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44
文件頁數(shù)： 41/77頁
文件大?。?/td> 1127K
代理商： SST89V58RD2-33-I-NJE
46
Data Sheet
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
2007 Silicon Storage Technology, Inc.
S71255-10-000
12/07
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
TABLE
8-2: PCA Timer/Counter Inputs
PCA Timer/Counter Mode
Clock Increments
12 MHz
16 MHz
Mode 0: fOSC/12
1 sec
0.75 sec
Mode 1:
330 nsec
250 nsec
Mode 2: Timer 0 Overflows1
1. In Mode 2, the overflow interrupt for Timer 0 does not need to be enabled.
Timer 0 programmed in:
8-bit mode
256 sec
192 sec
16-bit mode
65 msec
49 sec
8-bit auto-reload
1 to 255 sec
0.75 to 191 sec
Mode 3: External Input MAX
0.66 sec
0.50 sec
T8-2.0 1255
TABLE
8-3: CMOD Values
PCA Count Pulse Selected
CMOD Value
Without Interrupt Enabled
With Interrupt Enabled
Internal clock, fOSC/12
00H
01H
Internal clock, fOSC/4
02H
03H
Timer 0 overflow
04H
05H
External clock at P1.2
06H
07H
T8-3.0 1255
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SST89V58RD2-33-I-NJE1 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-NJF2 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PI 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PIE1 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PIF2 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
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