UPSD3354DV-40U6 Datasheet, PDF (27/272 Pages) STMicroelectronics – fast 8032 MCU with programmable logic

UPSD33xx
UPSD33xx hardware description
Table 3. Port type and voltage source combinations
Device Type
V_CC for MCU
module
V_DD for PSD
module
Ports 3 and 4 on
MCU module
Ports A, B, C, and D
on PSD module
5 V:
UPSD33xx
3.3 V:
UPSD33xxV
3.3 V
3.3 V
5.0 V
3.3 V
3.3 V but 5 V tolerant
5V
3.3 V but 5 V tolerant 3.3 V. NOT 5 V tolerant
Figure 4. UPSD33xx functional modules
Port 3 - UART0,
Intr, Timers
Port 1 - Timer, ADC, SPI
Port 4 - PCA,
PWM, UART1
Port 3
I²C
MCU Module
Port 3
Port 1
XTAL
t(s) ^{Clock Unit}
Turbo 8032 Core
Dual
UARTs
3 Timer /
Counters
Interrupt
256 Byte SRAM
10-bit
ADC
PCA
SPI
PWM
Counters
I²C
Unit
V_CC Pins
3.3V
duc _{Dedicated Memory}
ro ^{Interface Prefetch,}
Branch Cache
te ^{P 8-Bit Die-to-Die Bus}
le _{Enhanced MCU Interface}
o _{PSD Page Register}
s _{Decode PLD}
8032 Internal Bus
JTAG
DEBUG
Main Flash
Internal
Reset
LVD
Reset Logic
WDT
Secondary
Flash
SRAM
PSD
Reset
Reset Input
Ext.
Bus
Reset
Pin
PSD Module
Ob _{PSD Internal Bus}
t(s) ^{- JTAGISP}
CPLD - 16 MACROCELLS
V_DD Pins
3.3V or 5V
Obsolete ^{Produc UPSD33XX}
Port C
JTAG and
GPIO
Port A,B,C PLD
I/O and GPIO
Port D
GPIO
AI07842b
Doc ID 9685 Rev 7
27/272