UPSD3454E-40T6 STMicroelectronics, UPSD3454E-40T6 Datasheet - Page 104
UPSD3454E-40T6
Manufacturer Part Number
UPSD3454E-40T6
Description
MCU 8BIT 8032 256K FLASH 52-TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3422EV-40U6.pdf
(300 pages)
Specifications of UPSD3454E-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
288KB (288K x 8)
Program Memory Type
FLASH
Ram Size
32K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPSD3454E-40T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
- Current page: 104 of 300
- Download datasheet (3Mb)
Standard 8032 timer/counters
104/300
in use as a baud rate generator, the pin T2X can be used as an extra external interrupt, if
desired.
When Timer 2 is running (TR2 = 1) in a “timer” function in the Baud rate generator mode,
firmware should not read or write TH2 or TL2. Under these conditions the results of a read
or write may not be accurate. However, SFRs RCAP2H and RCAP2L may be read, but
should not be written, because a write might overlap a reload and cause write and/or reload
errors. Timer 2 should be turned off (clear TR2) before accessing Timer 2 or registers
RCAP2H and RCAP2L, in this case.
Table 63 on page 104
from Timer 2, with T2CON = 34h.
Table 63.
f
OSC
11.0592
11.0592
11.0592
11.0592
11.0592
36.864
36.864
36.864
36.864
36.864
40.0
40.0
40.0
40.0
40.0
36.0
36.0
36.0
24.0
24.0
24.0
24.0
12.0
12.0
MHz
Commonly used baud rates generated from timer2
(T2CON = 34h)
baud rate
Desired
115200
115200
115200
57600
28800
19200
57600
28800
19200
28800
19200
57600
28800
19200
28800
57600
28800
19200
9600
9600
9600
9600
9600
9600
shows commonly used baud rates and how they can be obtained
RCAP2H (hex)
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
FF
Timer 2 SFRs
UPSD3422, UPSD3433, UPSD3434, UPSD3454
RCAP2L(hex)
EC
DC
EA
D5
BF
7E
D8
C4
D9
C5
8B
D9
B2
D9
FD
EE
F5
F6
F3
E6
F3
FA
F4
88
Resulting baud
113636
115200
115200
56818
29070
19231
57600
28800
19200
28846
19067
57692
28846
19231
28846
57600
28800
19200
9615
9600
9615
9615
9615
9600
rate
Baud rate
deviation
-1.36%
-1.36%
-0.69%
0.94%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0
0
0
0
0
0
0
0
0
0
Related parts for UPSD3454E-40T6
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
MCU 8BIT 8032 256K FLASH 80-TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
STMicroelectronics [RIPPLE-CARRY BINARY COUNTER/DIVIDERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
STMicroelectronics [LIQUID-CRYSTAL DISPLAY DRIVERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
BOARD EVAL FOR MEMS SENSORS
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN TRANSISTOR POWER MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Search -----> STE16N100
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Search ---> STE53NA50
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN Transistor Power Module
Manufacturer:
STMicroelectronics
Datasheet: