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ST6391 View Datasheet(PDF) - STMicroelectronics

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ST6391 Datasheet PDF : 68 Pages
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ST6391,92,93,95,97,99
GENERAL DESCRIPTION
The ST639x microcontrollers are members of the 8-
bit HCMOS ST638x family, a series of devices spe-
cially oriented to TV applications. Different ROM size
and peripheral configurations are available to give
the maximum application and cost flexibility. All
ST639x members are based on a building block ap-
proach:a common core is surrounded by a combina-
tion of on-chip peripherals (macrocells) available
from a standard library. These peripherals are de-
signed with the same Core technology providing full
compatibility and short design time. Many of these
macrocells are specially dedicated to TV applica-
tions. The macrocells of the ST639x family are: two
Timer peripherals each including an 8-bit counter
with a 7-bit software programmable prescaler
(Timer), a digital hardware activated watchdog
function (DHWD), a 14-bit voltage synthesis tuning
peripheral, a Serial Peripheral Interface (SPI), up
to six 6-bit PWM D/A converters, an AFC A/D con-
verter with 0.5V resolution, an on-screen display
(OSD) with 15 characters per line and 128 charac-
ters (in two banks each of 64 characters). In addi-
tion the following memory resources are available:
program ROM (up to 20K), data RAM (256 bytes),
EEPROM (up to 384 bytes). Refer to pin configura-
tions figures and to ST639x device summary (Ta-
ble 1) for the definition of ST639x family members
and a summary of differences among the different
types.
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