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ST72334J2TA/XXX Datasheet(PDF) 7 Page - STMicroelectronics

Part # ST72334J2TA/XXX
Description  8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces
PDF  150 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72334J2TA/XXX Datasheet(HTML) 7 Page - STMicroelectronics

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ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
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1 PREAMBLE: ST72C334-Auto VERSUS ST72E331 SPECIFICATION
New Features available on the ST72C334-Auto
■ 8 or 16K Flash/ROM with In-Situ Programming
and Readout protection
■ New ADC with a better accuracy and conversion
time
■ New configurable Clock, Reset and Supply
system
■ New power saving mode with real-time base:
Active Halt
■ Beep capability on PF1
■ New interrupt source: Clock security system
(CSS) or Main clock controller (MCC)
ST72C334-Auto I/O Configuration and Pinout
■ Same pinout as ST72E331
■ PA6 and PA7 are true open drain I/O ports
without pull-up (same as ST72E331)
■ PA3, PB3, PB4 and PF2 have no pull-up
configuration (all I/Os present on TQFP44)
■ PA5:4, PC3:2, PE7:4 and PF7:6 have high sink
capabilities (20mA on N-buffer, 2mA on P-buffer
and pull-up). On the ST72E331, all these pads
(except PA5:4) were 2mA push-pull pads
without high sink capabilities. PA4 and PA5
were 20mA true open drains.
New Memory Locations in ST72C334-Auto
■ 20h: MISCR register becomes MISCR1 register
(naming change)
■ 29h: new control/status register for the MCC
module
■ 2Bh: new control/status register for the Clock,
Reset and Supply control. This register replaces
the WDGSR register keeping the WDOGF flag
compatibility.
■ 40h: new MISCR2 register



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