UPSD3433EB40U6 STMicroelectronics, UPSD3433EB40U6 Datasheet - Page 49

• 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
Note:
1
LOOP:
The code loop where the data transfer takes place is only 3 lines of code.
MOVX
MOVX
DJNZ
MOV
MOV
(1)
(1)
(1)
A, @DPTR
@DPTR, A
R7, LOOP
86h, #00
85h, #00
; load XDATA byte from source into ACC.
; after load completes, DPTR0 increments and
DPTR
; switches DPTR1
; store XDATA byte from ACC to destination.
; after store completes, DPTR1 increments and
DPTR
; switches to DPTR0
; continue until done
; disable auto-increment
; disable auto-toggle, now back to single DPTR
mode
Dual data pointers
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