參數(shù)資料
型號(hào): L9805
廠商: 意法半導(dǎo)體
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Super Smart Power Motor Driver with 8-BIT MCU, CAN Interface, 16K EPROM, 256Bytes RAM, 128 Bytes EEPROM, 10 Bit ADC, WDG, 2 Timers, 2 PWM Modules, Ful
中文描述: 超級(jí)智能型電動(dòng)馬達(dá)驅(qū)動(dòng)器,帶有8位微控制器,CAN接口,16K的存儲(chǔ)器,256Bytes RAM內(nèi)存,128字節(jié)EEPROM,10位ADC,水分散粒劑,2定時(shí)器,2個(gè)PWM模塊,涪陵
文件頁(yè)數(shù): 19/103頁(yè)
文件大?。?/td> 853K
代理商: L9805
19/103
L9805
3.4 MISCELLANEOUS REGISTER
(MISCR)
The Miscellaneous register allows the user to se-
lect the Slow operating mode and to set the clock
division prescaler factor. Bits 3, 4 determine the
signal conditions which will trigger an interrupt re-
quest on I/O pins having interrupt capability.
Register Address: 0020h
Reset Value:0000 0000 (00h)
Read/Write
b0 - Slow Mode Select
0- Normal mode - Oscillator frequency / 2
(Reset state)
1- Slow mode (Bits b1 and b2 define the prescaler
factor)
b1, b2 - CPU clock prescaler for Slow Mode
The selection issued from b3/b4 combination is
applied to PA[0]..PA[7],PB0,PB1 external inter-
rupt. The selection can be made only if I bit in CC
register is reset (interrupt enabled).
b3, b4 can be written only when the Interrupt Mask
(I) of the CC (Condition Code) register is set to 1.
b5,b6,b7 =
not used
b7
b6
b5
b4
b3
b2
b1
b0
b2
0
b1
0
Option
Oscillator frequency / 4
Oscillator frequency / 8
Oscillator frequency / 16
Oscillator frequency / 32
1
0
0
1
1
1
b4
0
1
b3
0
0
Option
Falling edge and low level (Reset state)
Falling edge only
Rising edge only
Rising and Falling edge
0
1
1
1
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