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ST62T28C Datasheet(PDF) 5 Page - STMicroelectronics

No. de Pieza. ST62T28C
Descripción  8-BIT MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER, UART, OSG, SAFE RESET AND 28-PIN PACKAGE
Descarga  84 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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ST62T28C Datasheet(HTML) 5 Page - STMicroelectronics

 
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ST62T28C/E28C
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST62T28C and ST62E28C devices are low
cost members of the ST62xx 8-bit HCMOS family
of microcontrollers, which are targeted at low to
medium complexity applications. All ST62xx de-
vices are based on a building block approach: a
common core is surrounded by a number of on-
chip peripherals.
The ST62E28C is the erasable EPROM version of
the ST62T28C device, which may be used to em-
ulate the ST62T28C device, as well as the respec-
tive ST6228C ROM devices.
OTP and EPROM devices are functionally identi-
cal. The ROM based versions offer the same func-
tionality selecting as ROM options the options de-
fined in the programmable option byte of the OTP/
EPROM versions.OTP devices offer all the advan-
tages of user programmability at low cost, which
make them the ideal choice in a wide range of ap-
plications where frequent code changes, multiple
code versions or last minute programmability are
required.
These compact low-cost devices feature a Timer
comprising an 8-bit counter and a 7-bit program-
mable prescaler, an 8-bit Auto-Reload Timer, with
1 input capture channel, capability, a serial asyn-
chronous port interface (UART), a synchronous
serial port interface, an 8-bit A/D Converter with 12
analog inputs and a Digital Watchdog timer, mak-
ing them well suited for a wide range of automo-
Figure 1. Block Diagram
TEST
NMI
INTERRUPT
PROGRAM
PC
STACK LEVEL 1
STACK LEVEL 2
STACK LEVEL 3
STACK LEVEL 4
STACK LEVEL 5
STACK LEVEL 6
POWER
SUPP LY
OSCILLATOR
RESET
DATA ROM
USER
SELECTABLE
DATA RAM
PORT A
PORT B
TIMER
DIGITAL
8 BIT CORE
TEST/VPP
8-BIT
A/D CONVERTER
VDD VSS OSCin OSCout
RESET
WATCHD OG
Memory
PORT C
AUTORELOA D
TIMER
192 Bytes
7948 bytes
PB4..PB6/Ain
PC4..PC5/Ain
PORT D
PD6,PD7/Ain
PD1/Ain/Scl
PD2/Ain/Sin
PD3/Ain/Sout
PD4/Ain/RXD1
PD5/Ain/TXD1
(VPP on EPROM/OTP versions only)
TIMER
VR01823F
UART
PC6..PC7/20 mA Sink
SPI
PA0..PA1 / 20 mA Sink
PA2/ARTIMout / 20 mA Sink
PA3/ARTIMin/ 20 mA Sink
PA4..PA5/20 mA Sink
5


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