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PDF 12C5A32 Data sheet ( Hoja de datos )
| Número de pieza | 12C5A32 | |
| Descripción | STC12C5A32 | |
| Fabricantes | STC TECHNOLOGY | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 12C5A32 (archivo pdf) en la parte inferior de esta página. Total 70 Páginas | ||
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STC TECHNOLOGY Co.,Ltd.
STC12C5A08/16/32/60
8-bit micro-controller
Features .............................................................................................................................3
General Description ..........................................................................................................4
Order Information: ............................................................................................................4
Pin Description..................................................................................................................5
Pin Definition............................................................................................................5
Pin Configuration......................................................................................................7
Block Diagram ..................................................................................................................9
Address Map ...........................................................................................................10
Bits Description ......................................................................................................11
Memory...........................................................................................................................13
Organization............................................................................................................13
RAM .......................................................................................................................13
Embedded Flash......................................................................................................14
ALE OUTPUT ................................................................................................................15
Functional Description....................................................................................................17
I/O Port Configuration ............................................................................................17
Timer/Counter ......................................................................................................... 21
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BAUD-RATE GENERATOR(BRT) .......................................................................25
Interrupt...................................................................................................................27
Watch Dog Timer ....................................................................................................34
Universal Asynchronous Serial Port (UART).........................................................36
Secondary Universal Asynchronous Serial Port (S2) .............................................40
Programmable Counter Array (PCA)......................................................................45
Serial Peripheral Interface(SPI) ..............................................................................55
Analog to Digital Converter....................................................................................63
Power Management ................................................................................................66
In System Programming and In Application Programming....................................69
In System Programming (ISP) ................................................................................69
In-Application Program (IAP) ................................................................................72
Instructions Set................................................................................................................72
Absolute Maximum Rating (STC12C5Axx) ..................................................................75
DC Characteristics (STC12C5Axx)................................................................................75
Absolute Maximum Rating (STC12LE5Axx) ................................................................76
DC Characteristics (STC12LE5Axx) .............................................................................76
Package Dimension.........................................................................................................77
This document contains information on a new product under development by STC.STC reserves the right to change or discontinue this
product without notice.
2007/12 version A1
datasheet pdf - http://www.DataSheet4U.net/
1 page  
Pin Description
Pin Definition
MNEMONIC
Package Type
PDIP40 PLCC44 PQFP44 LQFP48
DESCRIPTION
P0.0 ~ P0.7
32-39 43-34 37-30 40-33 Port0: Port0 is an open-drain,
bi-directional IO port. When 1s are
written to Port0, they become
high-impedance inputs. Port0 is also
the multiplexed low-order address
and data bus during accesses to
external program and data memory.
P1.0 /ADC0/
12
40 43 Port1: General-purposed I/O with
CLKOUT2
weak pull-up resistance inside. When
P1.1/ADC1
23
41 44 1s are written into Port1, the strong
P1.2/ADC2/ECI/
3
4
42 45 output driving PMOS only turn-on two
RXD2
period and then the weak pull-up
P1.3/ADC3/CCPO/ 4
5
43 46 resistance keep the port high.
TXD2
ADCn: Analog to Digital Converter
P1.4/ADC4/CCP1/SS 5
6
44 47 Input.
P1.5/ADC5/MOSI 6 7 1 2http://www.DataSheet4U.net/
P1.6/ADC6/MISO 7
8
2
3
P1.7/ADC7/SCLK 8
9
3
4
P2.0 ~ P2.7
21-28 24-31 18-25 19-23 Port2: Port2 is an 8-bit bi-directional
26-28 I/O port with pull-up resistance.
Except being as GPIO, Port2 emits
the high-order address byte during
accessing to external program and
data memory.
P3.0/RXD
10-17 11
5
6
Port3: General-purposed I/O with
P3.1/TXD
13 7 8 weak pull-up resistance inside. When
P3.2/INT0
14 8 9 1s are written into Port1, the strong
P3.3/INT1
15 9
10 output driving PMOS only turn-on two
P3.4/T0/CLKOUT0
16 10 11
period and then the weak pull-up
P3.5/T1/CLKOUT1
17 11 12 resistance keep the port high. Port3
P3.6/WR
18 12 13 also serves the special function of
P3.7/RD
19 13 14 STC12C5Axx.
STC12C5Axx Technical Summary
5
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Bits Description
SYMBOL
ADDRESS
MAP
MSB
BIT ADDRESS AND SYMBOL
LSB
INITIAL
VALUE
P0
SP
DPL
DPH
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
AUXR
WAKE_CLKO
P1
P1M1
P1M0
P0M1
P0M0
P2M1
P2M0
CLK_DIV
SCON
SBUF
S2CON
S2SBUF
BRT
P1SF
P2
BUS_SPEED
AUXR1
TEST_WDT
IE
SADDR
IE2
P3
P3M1
P3M0
P4M1
P4M0
IP2
IP2H
IPH
IP
80H
81H
82H
83H
87H
88H
89H
8AH
8BH
8CH
8DH
8EH
8FH
90H
91H
92H
93H
94H
95H
96H
97H
98H
99H
9AH
9BH
9CH
9DH
A0H
A1H
A2H
A7H
A8H
A9H
AFH
B0H
B1H
B2H
B3H
B4H
B5H
B6H
B7H
B8H
--
TF1
GATE
--
TR1
C/T
--
TF0
M1
T0X12 T1X12
UART_
PCA RXD_PIN_ T1_PIN_
P1.7
P1.6
P1.5
P1.7M1 P1.6M1 P1.5M1
P1.7M0 P1.6M0 P1.5M0
P0.7M1 P0.6M1 P0.5M1
P0.7M0 P0.6M0 P0.5M0
P2.7M1 P2.6M1 P2.5M1
P2.7M0 P2.6M0 P2.5M0
SM0
SD7
S2SM0
S2D7
SM1
SD6
S2SM1
S2D6
SM2
SD5
S2SM2
S2D5
P1.7ASF P1.6ASF
P2.7
P2.6
PCA_P4
P1.5ASF
P2.5
ALES1
SPI_P4
EA -- ESPI
-- --
--
P3.7
P3.7M1
P3.7M0
P4.7M1
P4.7M0
P3.6
P3.6M1
P3.6M0
P4.6M1
P4.6M0
P3.5
P3.5M1
P3.5M0
P4.5M1
P4.5M0
PPCAH
PPCA
PLVDH
PLVD
PADCH
PADC
xxxx1111B
00000111B
00000000B
00000000B
-- -- -- PD IDL xxxxxx00B
TR0 IE1 IT1 IE0 IT0 00000000B
M0 GATE C/T M1 M0 00000000B
00000000B
00000000B
00000000B
00000000B
BRTR S2SMOD BRTX12 EXTRAM S1BRS 00xxxxxxB
T0_PIN_ LVD_WA BRTCLK T1CLKO T0CLKO 00000x00B
P1.4
P1.3
P1.2
P1.1
P1.0 11111111B
P1.4M1 P1.3M1 P1.2M1 P1.1M1 P1.0M1 00000000B
P1.4M0 P1.3M0 P1.2M0 P1.1M0 P1.0M0 00000000B
P0.4M1 P0.3M1 P0.2M1 P0.1M1 P0.0M1 00000000B
P0.4M0 P0.3M0 P0.2M0 P0.1M0 P0.0M0 00000000B
P2.4M1 P2.3M1 P2.2M1 P2.1M1 P2.0M1 00000000B
P2.4M0
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P2.3M0 P2.2M0 P2.1M0 P2.0M0 00000000B
CLKS2 CLKS1 CLKS0 xxxxx000B
REN
TXSTS TISEL
TI
RI 00000000B
SD4
SD3 SD2 SD1 SD0 xxxxxxxxB
S2REN S2TB8 S2RB8 S2TI S2RI 00000000B
S2D4
S2D3 S2D2 S2D1 S2D0 xxxxxxxxB
00000000B
P1.4ASF P1.3ASF P1.2ASF P1.1ASF P1.0ASF 00000000B
P2.4
P2.3
P2.2
P2.1
P2.0 11111111B
ALES0
RWS2 RWS1 RWS0 xx100x11B
S2_P4
GF2 ADRJ
DPS 00000000B
0xx00000B
ES ET1 EX1 ET0 EX0 0x000000B
-- --
00000000B
ESPI
ES2 xxxxxx00B
P3.4
P3.3
P3.2
P3.1
P3.0 11111111B
P3.4M1 P3.3M1 P3.2M1 P3.1M1 P3.0M1 00000000B
P3.4M0 P3.3M0 P3.2M0 P3.1M0 P3.0M0 00000000B
P4.4M1 P4.3M1 P4.2M1 P4.1M1 P4.0M1 00000000B
P4.4M0 P4.3M0 P4.2M0 P4.1M0 P4.0M0 00000000B
PSP1 PS2 xxxxxx00B
PSP1H PS2H xxxxxx00B
PSH
PT1H PX1H PT0H PX0H 00000000B
PS PT1 PX1 PT0 PX0 00000000B
STC12C5Axx Technical Summary
11
datasheet pdf -
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet 12C5A32.PDF ] | |
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