UPSD3433E-40T6 STMicroelectronics, UPSD3433E-40T6 Datasheet - Page 204

• Manufacturer Part Number: UPSD3433E-40T6
• Description: MCU 8BIT 8032 128KB FLASH 52TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3433E-40T6

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IrDA, SPI, UART/USART, USB
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 160KB (160K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-TQFP, 52-VQFP
• For Use With: 497-5518 - EVAL BOARD RFID READER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-4906

PSD module
28.3
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Figure 69. VM register control of memories
Figure 70. VM register example corresponding to memory map example
PSD module data bus width
The PSD module functions as an 8-bit device to the MCU module except when the PFQ is
fetching instructions from the Flash memory. When PSEN is active, the PSD module always
drives 16-bit data out onto the bus.
VM register bit 4
VM register bit 3
VM register bit 2
VM register bit 1
8032 Address
WR
53 other PLD inputs
RD
PSEN
8032 Address
53 other PLD inputs
VM Register = 0Ch
DPLD
DPLD
CSBOOT0 - CSBOOT3
FS0 - FS7
CSBOOT0 - CSBOOT3
FS0 - FS7
UPSD3422, UPSD3433, UPSD3434, UPSD3454
PSEN
CS
Main Flash
CS
WR
Main Flash
WR
memory
memory
OE
OE
WR
RD
Secondary
WR
memory
Flash
Secondary
WR
memory
CS
Flash
CS
OE
OE
AI10456
AI10455