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PDF STC12C5A60S2 Data sheet ( Hoja de datos )
| Número de pieza | STC12C5A60S2 | |
| Descripción | Single-Chip Microcontroller | |
| Fabricantes | STC | |
| Logotipo |  |
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www.STCMCU.com
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SSTTCSC1T12C2LCE5D5MAAa6Ct6a0U0SSS2h2LseseeiemrtriieiteessdM.MCCUU
STC MCU Limited
www.STCMCU.com
STC MCU Limited.
Update date: 2011-7-15
website：www.STCMCU.com
Free Datasheet http://www.datasheet4u.com/
1 page  
8.1.3 Frame Error Detection........................................................................................ 233
8.1.4 Multiprocessor Communications....................................................................... 233
8.1.5 Automatic Address Recognition......................................................................... 234
8.1.6 Buad Rates and Demo Program......................................................................... 236
8.1.7 Demo Programs about UART1 (C and ASM).................................................... 240
8.2 Secondary UART (S2)........................................................................ 246
8.2.1 Special Function Registers about S2 (UART2).................................................. 246
8.2.3 UART2 Operation Modes.................................................................................. 250
8.2.3.1 Mode 0: 8-bit Shift Register..............................................................................................250
8.2.3.2 Mode 1: 8-bit UART2 with Variable Baud-Rate...............................................................250
8.2.3.3 Mode 2: 9-bit UART2 with Fixed Baud-Rate...................................................................250
8.2.3.4 Mode 3: 9-bit UART2 with Variable Baud-Rate...............................................................250
8.2.4 Demo Program about Secondary UART............................................................ 251
itedChapter 9. Analog to Digital Converter....................................267
Lim9.1 A/D Converter Structure..................................................................... 267
9.2 Registers for ADC............................................................................... 269
CU9.3 Application Circuit of A/D Converter ................................................ 275
M9.4 ADC Application Circuit for Key Scan.............................................. 276
9.5 A/D reference voltage source.............................................................. 277
STC9.6 Program using interrupts to demostrate A/D Conversion .................. 278
9.7 Program using polling to demostrate A/D Conversion ...................... 284
Chapter 10. Programmable Counter Array(PCA)..................290
10.2 SFRs related with PCA..................................................................... 290
10.2 PCA/PWM Structure......................................................................... 296
10.3 PCA Modules Operation Mode........................................................ 298
10.3.1 PCA Capture Mode.......................................................................................... 298
10.3.2 16-bit Software Timer Mode............................................................................ 299
10.3.3 High Speed Output Mode................................................................................. 300
10.3.4 Pulse Width Modulator Mode (PWM mode)................................................... 301
10.4 Programs for PCA module extended external interrupt ................... 302
10.5 Demo Programs for PCA module acted as 16-bit Timer.................. 305
10.6 Programs for PCA module as 16-bit High Speed Output................. 309
10.7 Demo Programs for PCA module as PWM Output (C and ASM).... 313
10.8 Demo Program for PCA clock base on Timer 1 overflow rate........ 316
10.9 Using PWM achieve D/A Conversion function reference circuit..... 320
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MOSI/ADC5/P1.5 7
39 P0.4
MISO/ADC6/P1.6 8
38 P0.5
SCLK/ADC7/P1.7 9
37 P0.6
P4.7/RST 10
INT/RxD/P3.0 11
PLCC-44
36 P0.7
35 EX_LVD/P4.6/RST2
SCLK/TxD2/CCP1/P4.3
TxD/P3.1
12
13
STC12C5A60S2
34
33
P4.1/ECI/MOSI
ALE/P4.5
INT0/P3.2
INT1/P3.3
CLKOUT0/INT/T0/P3.4
CLKOUT1/INT/T1/P3.5
14
15
16
17
STC
32 NA/P4.4
31 P2.7/A15
30 P2.6/A14
29 P2.5/A13
P0.3
P0.2
ited.P0.1
P0.0
Vcc
LimCLKOUT2/ADC0/P1.0
ADC1/P1.1
RxD2/ECI/ADC2/P1.2
TxD2/CCP0/ADC3/P1.3
MCUSS/CCP1/ADC4/P1.4
QFN-40
STC12C5A60S2
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
Gnd
XTAL1
XTAL2
P3.7/RD
P3.6/WR
Register P4SW is used to set the secondary function of NA/P4.4, ALE/P4.5 and EX_LVD/P4.6
Mnemonic Add Name
7
6
5 4 3 2 1 0 Reset Value
P4SW BBH Port-4 switch
LVD_P4.6 ALE_P4.5 NA_P4.4
x000,xxxx
NA/P4.4: 0, P4SW.4=0 when MCU is reset. NA/P4.4 is weak pull-up and no any function.
1, when P4SW.4 is set to 1, NA/P4.4 is as an I/O port (P4.4)
ALE/P4.5: 0, P4SW.5=0 when MCU is reset. ALE/P4.5 is as ALE signal which is used to access external data
memory .
1, when P4SW.5 is set to 1, ALE/P4.4 is used as an I/O port (P4.5)
LVD/P4.6: 0, P4SW.6=0 when MCU is reset. EX_LVD/P4.6 is as External Low-Voltage Detection function
1, when P4SW.6 is set to 1, EX_LVD/P4.6 is used as an I/O port (P4.6)
STC MCU Limited.
website：www.STCMCU.com
11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet STC12C5A60S2.PDF ] | |
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