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STC12LE5616AD Datasheet(PDF) 178 Page - STCmicro Technology Co,.Ltd

Part # STC12LE5616AD
Description  Enhanced 8051 Central Processing Unit ,1T per machine cycle, faster 8~12 times than the rate of a standard 8051.
PDF  377 Pages
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Manufacturer  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC12LE5616AD Datasheet(HTML) 178 Page - STCmicro Technology Co,.Ltd

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Timer/Counter 1 Mode 0: 13-Bit Timer/Counter
Interrupt
SYSclk
TL1
(5 Bits)
TH1
(8 bits)
TF1
control
C/T=0
C/T=1
T1 Pin
TR1
GATE
INT1
AUXR.6/T1x12=0
÷12
÷1
AUXR.6/T1x12=1
7.3 Timer/Counter 1 Mode of Operation
In this mode, the timer register is configured as a 13-bit register. As the count rolls over from all 1s to all 0s, it
sets the timer interrupt flag TF1. The counted input is enabled to the timer when TR1 = 1 and either GATE=0 or
INT1= 1.(Setting GATE = 1 allows the Timer to be controlled by external input INT1, to facilitate pulse width
measurements.) TR0 is a control bit in the Special Function Register TCON. GATE is in TMOD.
The 13-Bit register consists of all 8 bits of TH1 and the lower 5 bits of TL1. The upper 3 bits of TL1 are
indeterminate and should be ignored. Setting the run flag (TR1) does not clear the registers.
7.3.1 Mode 0 (13-bit Timer/Counter)
Timer/Counter 1 can be configured for three modes by setting M1(TMOD.5) and M0(TMOD.4) in sepcial
function register TMOD.
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