參數(shù)資料
型號: ST7FLIT19B
廠商: 意法半導(dǎo)體
英文描述: 8-Bit MCU With Single Voltage Flash Memory, Data EEPROM, ADC, 5 Timers, SPI(內(nèi)部RC,PLL,ADC,ROP,ICP, IAP,SPI的8位MCU)
中文描述: 8位微控制器單電壓閃存存儲器,數(shù)據(jù)EEPROM,模數(shù)轉(zhuǎn)換器,5計時器和SPI(內(nèi)部鋼筋,鎖相環(huán),藝發(fā)局,人事,電感,國際檢察官聯(lián)合會的SPI的8位微控制器)
文件頁數(shù): 74/155頁
文件大小: 2968K
代理商: ST7FLIT19B
ST7LITE1xB
74/155
1
DUAL 12-BIT AUTORELOAD TIMER 4
(Cont’d)
Bit 1=
TRAN2
Transfer enable2
This bit is read/write by software, cleared by hard-
ware after each completed transfer and set by
hardware after reset. It controls the transfers on
CNTR2.
It allows the value of the Preload DCRx registers
to be transferred to the Active DCRx registers after
the next overflow event.
The OPx bits are transferred to the shadow OPx
bits in the same way.
Notes:
1. DCR2/3 transfer will be controlled using this bit
if ENCNTR2 bit is set.
2. This bit must not be reset by software
Bit 0 =
TRAN1
Transfer enable
1
This bit is read/write by software, cleared by hard-
ware after each completed transfer and set by
hardware after reset. It controls the transfers on
CNTR1. It allows the value of the Preload DCRx
registers to be transferred to the Active DCRx reg-
isters after the next overflow event.
The OPx bits are transferred to the shadow OPx
bits in the same way.
Notes:
1. DCR0,1 transfers are always controlled using
this bit.
2. DCR2/3 transfer will be controlled using this bit
if ENCNTR2 is reset.
3.This bit must not be reset by software
AUTORELOAD REGISTER2 (ATR2H)
Read / Write
Reset Value: 0000 0000 (00h)
AUTORELOAD REGISTER (ATR2L)
Read / Write
Reset Value: 0000 0000 (00h)
Bits 11:0 =
ATR2[11:0]
Autoreload Register 2.
This is a 12-bit register which is written by soft-
ware. The ATR2 register value is automatically
loaded into the upcounter CNTR2 when an over-
flow of CNTR2 occurs. The register value is used
to set the PWM2/PWM3 frequency when
ENCNTR2 is set.
DEAD TIME GENERATOR REGISTER (DTGR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 =
DTE
Dead Time Enable
This bit is read/write by software. It enables a dead
time generation on PWM0/PWM1.
0: No Dead time insertion.
1: Dead time insertion enabled.
Bits 6:0 =
DT[6:0]
Dead Time Value
These bits are read/write by software. They define
the dead time inserted between PWM0/PWM1.
Dead time is calculated as follows:
Dead Time = DT[6:0] x Tcounter1
Note:
1. If DTE is set and DT[6:0]=0, PWM output sig-
nals will be at their reset state.
15
8
0
0
0
0
ATR11 ATR10
ATR9
ATR8
7
0
ATR7
ATR6
ATR5
ATR4
ATR3
ATR2
ATR1
ATR0
7
0
DTE
DT6
DT5
DT4
DT3
DT2
DT1
DT0
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