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PDF ST62P20C Data sheet ( Hoja de datos )
| Número de pieza | ST62P20C | |
| Descripción | (ST62P08C - ST62P20C) 8-BIT MCU | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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ST6208C/ST6209C
ST6210C/ST6220C
8-BIT MCUs WITH A/D CONVERTER,
TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET
s Memories
– 1K, 2K or 4K bytes Program memory (OTP,
EPROM, FASTROM or ROM) with read-out
protection
– 64 bytes RAM
s Clock, Reset and Supply Management
– Enhanced reset system
– Low Voltage Detector (LVD) for Safe Reset
– Clock sources: crystal/ceramic resonator or
RC network, external clock, backup oscillator
(LFAO)
– Oscillator Safeguard (OSG)
– 2 Power Saving Modes: Wait and Stop
s Interrupt Management
– 4 interrupt vectors plus NMI and RESET
– 12 external interrupt lines (on 2 vectors)
s 12 I/O Ports
– 12 multifunctional bidirectional I/O lines
– 8 alternate function lines
– 4 high sink outputs (20mA)
s 2 Timers
– Configurable watchdog timer
– 8-bit timer/counter with a 7-bit prescaler
s 1 Analog peripheral
– 8-bit ADC with 8 input channels (except on
ST6208C)
PDIP20
SO20
SSOP20
CDIP20W
(See Section 12.5 for Ordering Information)
s Instruction Set
– 8-bit data manipulation
– 40 basic instructions
– 9 addressing modes
– Bit manipulation
s Development Tools
– Full hardware/software development package
Device Summary
Features
ST62T08C(OTP)/
ST6208C(ROM)
ST62T09C(OTP)/
ST6209C (ROM)
ST62T10C(OTP)/
ST6210C (ROM)
ST62T20C(OTP)
ST6220C(ROM )
ST62E20C(EPROM)
ST62P08C(FASTROM) ST62P09C(FASTROM) ST62P10C(FASTROM) ST62P20C(FASTROM)
Program memory
- bytes
RAM - bytes
Operating Supply
Analog Inputs
Clock Frequency
Operating
Temperature
Packages
1K 2K 4K
64
3.0V to 6V
-4
8
8MHz Max
-40°C to +125°C
PDIP20/S O20/SSO P20
PDIP20/SO20
CDIP20W
Rev. 3.0
June 2000
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1 page  
Table of Contents
11.10 TIMER PERIPHERAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
11.10.1Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
11.10.28-Bit Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
11.11 8-BIT ADC CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
12 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
12.1 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
12.2 THERMAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
12.3 SOLDERING AND GLUEABILITY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
12.4 PACKAGE/SOCKET FOOTPRINT PROPOSAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
12.5 ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
12.6 TRANSFER OF CUSTOMER CODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
12.6.1FASTROM version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
12.6.2ROM VERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
13 DEVELOPMENT TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
14 ST6 APPLICATION NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
15 SUMMARY OF CHANGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
16 TO GET MORE INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
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5 Page 
ST6208C/ST6209C/ST6210C/ST6220C
MEMORY MAP (Cont’d)
3.1.2 Program Space
Program Space comprises the instructions to be
executed, the data required for immediate ad-
dressing mode instructions, the reserved factory
test area and the user vectors. Program Space is
addressed via the 12-bit Program Counter register
(PC register). Thus, the MCU is capable of ad-
dressing 4K bytes of memory directly.
3.1.3 Readout Protection
The Program Memory in OTP, EPROM or ROM
devices can be protected against external readout
of memory by setting the Readout Protection bit in
the option bytes (Section 3.3 on page 16).
In the EPROM parts, Readout Protection option
can be desactivated only by U.V. erasure that also
results in the whole EPROM context being erased.
Note: Once the Readout Protection is activated, it
is no longer possible, even for STMicroelectronics,
to gain access to the OTP or ROM contents. Re-
turned parts can therefore not be accepted if the
Readout Protection bit is set.
3.1.4 Data Space
Data Space accommodates all the data necessary
for processing the user program. This space com-
prises the RAM resource, the processor core and
peripheral registers, as well as read-only data
such as constants and look-up tables in OTP/
EPROM.
3.1.4.1 Data ROM
All read-only data is physically stored in program
memory, which also accommodates the Program
Space. The program memory consequently con-
tains the program code to be executed, as well as
the constants and look-up tables required by the
application.
The Data Space locations in which the different
constants and look-up tables are addressed by the
processor core may be thought of as a 64-byte
window through which it is possible to access the
read-only data stored in OTP/EPROM.
3.1.4.2 Data RAM
The data space includes the user RAM area, the
accumulator (A), the indirect registers (X), (Y), the
short direct registers (V), (W), the I/O port regis-
ters, the peripheral data and control registers, the
interrupt option register and the Data ROM Win-
dow register (DRWR register).
3.1.5 Stack Space
Stack space consists of six 12-bit registers which
are used to stack subroutine and interrupt return
addresses, as well as the current program counter
contents.
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ST62P20C.PDF ] | |
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