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PDF SH79F084A Data sheet ( Hoja de datos )
| Número de pieza | SH79F084A | |
| Descripción | Enhanced 8051 Microcontroller | |
| Fabricantes | SINO WEALTH | |
| Logotipo |  |
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SH79F084A
Enhanced 8051 Microcontroller with 10bit ADC
1. Features
8bits micro-controller with Pipe-line structured 8051
compatible instruction set
Flash ROM: 8K Bytes
RAM: internal 256 Bytes, external 256 Bytes
EEPROM-like: 512 Bytes
Operation Voltage:
fOSC = 30kHz - 16.6MHz, VDD = 2.8V - 5.5V
Oscillator (code option)
- Crystal oscillator: 32.768kHz
- Crystal oscillator: 400kHz - 16.6MHz
- Ceramic oscillator: 400kHz - 16.6MHz
- Internal RC: 16.6MHz (±2%)
- External clock: 30kHz - 16.6MHz
14 CMOS bi-directional I/O pins
5 high current drive ports
Three 16-bit timer/counters T0, T1and T2
Powerful interrupt sources:
- Timer0, 1, 2
- INT0, 1, 2
- ADC, EUART, SCM, PWM, LPD
One 8-bit PWM
EUART
Low voltage detect (LPD)
6 channels 10-bits Analog Digital Converter
(ADC), with comparator function built-in
Low Voltage Reset (LVR) function (enabled by
code option)
- LVR voltage level 1: 4.1V
- LVR voltage level 2: 3.7V
- LVR voltage level 3: 2.8V
CPU Machine cycle: 1 oscillator clock
Watch Dog Timer (WDT)
Warm-up Timer
System Clock Monitor (SCM)
Support Low power operation modes
- Idle Mode
- Power-Down Mode
Low power consumption
Flash Type
Package: SOP 16Pin
2. General Description
The SH79F084A is a high performance 8051 compatible micro-controller, regard to its build-in Pipe-line instruction fetch
structure, that helps the SH79F084A can perform more fast operation speed and higher calculation performance, if compare
SH79F084A with standard 8051 at same clock speed.
The SH79F084A retains most features of the standard 8051. These features include internal 256 bytes RAM, UART and
Int0-2.In addition, the SH79F084A provides external 256 bytes RAM, It also contains 8K bytes Flash memory block both for
program and data. Also the ADC and PWM timer functions are incorporated in SH79F084A.
For high reliability and low cost issues, the SH79F084A builds in Watchdog Timer, Low Voltage Reset function. And
SH79F084A also supports two power saving modes to reduce power consumption.
1 V2.3
1 page  
5. Pin Description
Pin No.
Type
Description
I/O PORT
P4.0 - P4.2
P3.0 - P3.3,P3.7
P1.2 - P1.7
I/O 3 bit General purpose CMOS I/O
I/O 5 bit General purpose CMOS I/O
I/O 6 bit General purpose CMOS I/O
Timer
T2
T2EX
I/O Timer2 external input/Baud-Rate generator
I Timer2 Reload/Capture/Direction Control
PWM
PWM
O Output pin for 8-bit PWM timer
EUART
RXD
TXD
I EUART data input
O EUART data output
ADC
AN2 - AN7
I ADC input channel
Interrupt & Reset & Clock & Power
INT0 - INT2
RESET
XTAL1
XTAL2
VDD
GND
I External interrupt 0-2 input source
I Reset pin(Logic high reset)
I Oscillator input
O Oscillator output
P Power supply (2.8 - 5.5V)
P Ground
VLPD
VLPD
I Power voltage detect
Programmer
TDO
TMS
TDI
TCK
O Debug interface: Test data out
I Debug interface: Test mode select
I Debug interface: Test data in
I Debug interface: Test clock in
Note:
When P1.2-1.5 used as debug interface, functions of P1.2-1.5 are blocked.
SH79F084A
5
5 Page 
Table 7.8 Timer SFRs
Mnem Add
Name
TCON
TMOD
TL0
TH0
TL1
TH1
T2CON
T2MOD
88H
89H
8AH
8CH
8BH
8DH
C8H
C9H
RCAP2L CAH
RCAP2H CBH
TL2 CCH
TH2 CDH
TCON1 CEH
Timer/Counter0/1 Control
Timer/Counter0/1 Mode
Timer/Counter0 Low Byte
Timer/Counter0 High Byte
Timer/Counter1 Low Byte
Timer/Counter1 High Byte
Timer/Counter2 Control
Timer/Counter2 Control
Timer/Counter2 Reload
/Caprure Low Byte
Timer/Counter2 Reload
/Caprure High Byte
Timer/Counter2 Low Byte
Timer/Counter2 High Byte
Timer/Counter2 Control
Table 7.9 EUART SFRs
Mnem Add
SCON
SBUF
SADDR
SADEN
PCON
98H
99H
9AH
9BH
87H
Name
Serial Control
Serial Data Buffer
Slave Address
Slave Address Mask
Power & serial Control
SH79F084A
POR/WDT/LVR
/PIN Reset Value
00000000
00000000
00000000
00000000
00000000
00000000
00000000
0-----00
Bit7
TF1
GATE1
TL0.7
TH0.7
TL1.7
TH1.7
TF2
TCLKP2
Bit6
TR1
———
C/ T1
TL0.6
TH0.6
TL1.6
TH1.6
EXF2
-
Bit5
TF0
M11
TL0.5
TH0.5
TL1.5
TH1.5
RCLK
-
Bit4
TR0
M10
TL0.4
TH0.4
TL1.4
TH1.4
TCLK
-
Bit3
IE1
GATE0
TL0.3
TH0.3
TL1.3
TH1.3
EXEN2
-
Bit2
IT1
———
C/ T0
TL0.2
TH0.2
TL1.2
TH1.2
TR2
-
Bit1
IE0
M01
TL0.1
TH0.1
TL1.1
TH1.1
———
C/ T2
T2OE
Bit0
IT0
M00
TL0.0
TH0.0
TL1.1
TH1.1
———
CP/RL2
DCEN
00000000 RCAP2L.7 RCAP2L.6 RCAP2L.5 RCAP2L.4 RCAP2L.3 RCAP2L.2 RCAP2L.1 RCAP2L.0
00000000
00000000
00000000
-00-0000
RCAP2H.7 RCAP2H.6 RCAP2H.5 RCAP2H.4 RCAP2H.3 RCAP2H.2 RCAP2H.1 RCAP2H.0
TL2.7
TH2.7
TL2.6
TH2.6
TL2.5
TH2.5
TL2.4
TH2.4
TL2.3
TH2.3
TL2.2
TH2.2
TL2.1
TH2.1
TL2.0
TH2.0
-
TCLKS1 TCLKS0
-
TCLKP1 TCLKP0
TC1
TC0
POR/WDT/LVR
/PIN Reset Value
00000000
00000000
00000000
00000000
00--0000
Bit7
SM0/FE
SBUF.7
SADDR.7
SADEN.7
SMOD
Bit6 Bit5 Bit4
SM1/RXOV SM2/TXCOL REN
SBUF.6 SBUF.5 SBUF.4
SADDR.6 SADDR.5 SADDR.4
SADEN.6 SADEN.5 SADEN.4
SSTAT
-
-
Bit3
TB8
SBUF.3
SADDR.3
SADEN.3
GF1
Bit2
RB8
SBUF.2
SADDR.2
SADEN.2
GF0
Bit1
TI
SBUF.1
SADDR.1
SADEN.1
PD
Bit0
RI
SBUF.0
SADDR.0
SADEN.0
IDL
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SH79F084A.PDF ] | |
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