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STC12LE5616AD Datasheet(PDF) 199 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) 199 Page - STCmicro Technology Co,.Ltd

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6. Registers related with UART1 interrupt : IE, IP and IPH
IE: Interrupt Enable Rsgister (Bit-addressable)
SFR name Address
bit
B7
B6
B5
B4
B3
B2
B1
B0
IE
A8H
name
EA
EPCA_LVD EADC_SPI
ES
ET1
EX1
ET0
EX0
EA : disables all interrupts.
If EA = 0,no interrupt will be acknowledged.
If EA = 1, each interrupt source is individually enabled or disabled by setting or clearing its enable bit.
ES :
Serial port 1(UART1) interrupt enable bit.
If ES = 0, Serial port (UART) interrupt will be diabled.
If ES = 1, Serial port (UART) interrupt is enabled.0
IPH: Interrupt Priority High Register (Non bit-addressable)
SFR name Address
bit
B7
B6
B5
B4
B3
B2
B1
B0
IPH
B7H
name
-
PPCA_LVDH PADC_SPIH PSH PT1H PX1H PT0H PX0H
IP: Interrupt Priority Register (Bit-addressable)
SFR name Address
bit
B7
B6
B5
B4
B3
B2
B1
B0
IP
B8H
name
-
PPCA_LVD PADC_SPI
PS
PT1
PX1
PT0
PX0
PSH, PS: Serial Port (UART) interrupt priority control bits.
if PSH=0 and PS=0, UART interrupt is assigned lowest priority (priority 0).
if PSH=0 and PS=1, UART interrupt is assigned lower priority (priority 1).
if PSH=1 and PS=0, UART interrupt is assigned higher priority (priority 2).
if PSH=1 and PS=1, UART interrupt is assigned highest priority (priority 3).
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