UPSD3422EV-40U6 STMicroelectronics, UPSD3422EV-40U6 Datasheet - Page 201
UPSD3422EV-40U6
Manufacturer Part Number
UPSD3422EV-40U6
Description
MCU 8BIT 8032 64KB FLASH 80TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3422EV-40U6.pdf
(300 pages)
Specifications of UPSD3422EV-40U6
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
80KB (80K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
For Use With
497-5577 - BOARD EVAL USB POWER SWITCH497-5518 - EVAL BOARD RFID READER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
497-4905
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPSD3422EV-40U6
Manufacturer:
STMicroelectronics
Quantity:
240
Company:
Part Number:
UPSD3422EV-40U6
Manufacturer:
STMicroelectronics
Quantity:
10 000
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UPSD3422, UPSD3433, UPSD3434, UPSD3454
Figure 66. Mapping: all Flash in code space
●
Figure 67. Mapping: small code / big data
It is also possible to “reclassify” the Flash memories during runtime, moving the memories
between XDATA memory space and program memory space on-the-fly. This essentially
means that the user can override the initial setting during run-time by writing to a csiop
register (the VM register). This is useful for IAP, because standard 8051 architecture does
not allow writing to program space. For example, if the user wants to update firmware in
Main Flash memory that is residing in program space, the user can temporarily “reclassify”
the Main Flash memory into XDATA space to erase and rewrite it while executing IAP code
Figure 67
Secondary Flash into program space for systems that need a large amount of Flash for
data recording or large look-up tables, and not so much Flash for 8032 firmware.
Place the larger Main Flash Memory into XDATA space and the smaller
FFFFh
C000h
8000h
2000h
0000h
6000h
4000h
FFFFh
2000h
0000h
8000h
6000h
4000h
8032 PROGRAM
SPACE (PSEN)
Common Memory to All Pages
Common Memory to All Pages
Common Memory to All Pages
Common Memory to All Pages
16KB
16KB
Page
fs1
fs0
Nothing
Mapped
csboot3
csboot0
csboot2
csboot1
0
Page X
8KB
8KB
8KB
8KB
8032 PROGRAM
SPACE (PSEN)
csboot3, 8KB
csboot2, 8KB
csboot1, 8KB
csboot0, 8KB
16KB
16KB
Page
fs3
fs2
1
16KB
16KB
Page
fs5
fs4
Common Memory to All Pages
16KB
16KB
Page
2
fs1
fs0
0
Common to All Pages
8032 XDATA SPACE
csiop, 256 bytes,
16KB
16KB
Page
fs7
fs6
16KB
16KB
Page
3
fs3
fs2
System I/O
(RD and WR)
1
rs0, 8KB
8032 XDATA SPACE
16KB
16KB
Page
fs5
fs4
csiop, 256B
System I/O
2
(RD and WR)
rs0, 8KB
Page X
AI09175
AI09176
16KB
16KB
Page
fs7
fs6
3
FFFFh
2100h
2000h
0000h
FFFFh
C000h
8000h
2100h
2000h
0000h
PSD module
201/300
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