UPSD3422E-40T6 STMicroelectronics, UPSD3422E-40T6 Datasheet - Page 48
UPSD3422E-40T6
Manufacturer Part Number
UPSD3422E-40T6
Description
MCU 8BIT 8032 64KB FLASH 52TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3422EV-40U6.pdf
(300 pages)
Specifications of UPSD3422E-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
80KB (80K x 8)
Program Memory Type
FLASH
Ram Size
4K 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
497-5577 - BOARD EVAL USB POWER SWITCH497-5518 - EVAL BOARD RFID READER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
497-4902
Available stocks
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Manufacturer
Quantity
Price
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8032 addressing modes
9
9.1
9.2
9.3
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8032 addressing modes
The 8032 MCU uses 11 different addressing modes listed below:
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Register addressing
This mode uses the contents of one of the registers R0 - R7 (selected by the last three bits
in the instruction opcode) as the operand source or destination. This mode is very efficient
since an additional instruction byte is not needed to identify the operand. For example:
MOV A, R7
Direct addressing
This mode uses an 8-bit address, which is contained in the second byte of the instruction, to
directly address an operand which resides in either 8032 DATA SRAM (internal address
range 00h-07Fh) or resides in 8032 SFR (internal address range 80h-FFh). This mode is
quite fast since the range limit is 256 bytes of internal 8032 SRAM. For example:
MOV A, 40h
Register indirect addressing
This mode uses an 8-bit address contained in either register R0 or R1 to indirectly address
an operand which resides in 8032 IDATA SRAM (internal address range 80h-FFh). Although
8032 SFR registers also occupy the same physical address range as IDATA, SFRs will not
be accessed by register Indirect mode. SFRs may only be accesses using Direct address
mode. For example:
MOV A, @R0
Register
Direct
Register indirect
Immediate
External direct
External indirect
Indexed
Relative
Absolute
Long
Bit
; Move contents of R7 to accumulator
; Move contents of DATA SRAM
; at location 40h into the accumulator
; Move into the accumulator the
; contents of IDATA SRAM that is
; pointed to by the address
; contained in R0.
UPSD3422, UPSD3433, UPSD3434, UPSD3454
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