UPSD3433EB40U6 STMicroelectronics, UPSD3433EB40U6 Datasheet - Page 81

• Manufacturer Part Number: UPSD3433EB40U6
• Description: MCU 8BIT 8032 128KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3433EB40U6

• 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: 46
• 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: 80-TQFP, 80-VQFP
• For Use With: 497-5518 - EVAL BOARD RFID READER497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 497-5660

uPSD34xx
Table 37.
EPFQ
Bit 7
5:4
3:2
1:0
Bit
7
6
WRW[1:0]
RDW[1:0]
BUSCON: bus control register (SFR 9Dh, reset value EBh)
Symbol
CW[1:0]
EPFQ
Bit 6
EBC
EBC
Bit 5
R/W
R,W
R,W
R,W
R,W
R,W
WRW[1:0]
Enable Pre-Fetch Queue
0 = PFQ is disabled
1 = PFQ is enabled (default)
Enable Branch Cache
0 = BC is disabled
1 = BC is enabled (default)
WR Wait, number of MCU_CLK periods for WR write bus
cycle during any MOVX instruction
00b: 4 clock periods
01b: 5 clock periods
10b: 6 clock periods (default)
11b: 7 clock periods
RD Wait, number of MCU_CLK periods for RD read bus cycle
during any MOVX instruction
00b: 4 clock periods
01b: 5 clock periods
10b: 6 clock periods (default)
11b: 7 clock periods
Code Wait, number of MCU_CLK periods for PSEN read bus
cycle during any code byte fetch or during any MOVC code
byte read instruction. Periods will increase with PFQ stall
00b: 3 clock periods - exception, for MOVC instructions this
setting results 4 clock periods
01b: 4 clock periods
10b: 5 clock periods
11b: 6 clock periods (default)
Bit 4
Bit 3
RDW[1:0]
Definition
Bit 2
MCU bus interface
Bit 1
CW[1:0]
Bit 0
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