UPSD3422E-40U6 STMicroelectronics, UPSD3422E-40U6 Datasheet - Page 135
UPSD3422E-40U6
Manufacturer Part Number
UPSD3422E-40U6
Description
MCU 8BIT 8032 64KB FLASH 80TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3422EV-40U6.pdf
(300 pages)
Specifications of UPSD3422E-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 ~ 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
497-5577 - BOARD EVAL USB POWER SWITCH497-5518 - EVAL BOARD RFID READER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
497-4903
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPSD3422E-40U6
Manufacturer:
STMicroelectronics
Quantity:
10 000
- Current page: 135 of 300
- Download datasheet (3Mb)
UPSD3422, UPSD3433, UPSD3434, UPSD3454
23.13
Table 88.
1. Not compatible with High Speed I
I
The following pseudo-code explains hardware control for these I
UPSD34xx:
●
●
●
●
●
●
Full C code drivers for the UPSD34xx I
the web at www.st.com\psm.
Initialization after a UPSD34xx reset
Ensure pins P3.6 and P3.7 are GPIO inputs
Configure pins P3.6 and P3.7 as I2C
Set I2C clock prescaler to determine fSCL
Set bus Start condition sampling
speed, f
2
C operating sequences
I
2
C bus
High
Fast
Initialize the Interface
Function as Master-Transmitter
Function as Master-Receiver
Function as Slave-Transmitter
Function as Slave-Receiver
Interrupt Service Routine
–
–
–
–
SCL
SFR P3.7 = 1 and SFR P3.6 = 1
SFR P3SFS.6 = 1 and P3SFS.7 = 1
SFR S1CON.CR[2:0] = desired SCL freq.
SFR S1SETUP[7:0] = number of samples
S1SETUP examples for various I
frequencies (continued)
Recommended
S1SETUP value
Number of samples
Time between samples
Total sampled period
Recommended
S1SETUP value
Number of samples
Time between samples
Total sampled period
Parameter
2
C.
166.6 ns
500 ns
6 MHz
2
82h
(1)
C interface, and other interfaces are available from
3
-
-
-
2
12 MHz
C bus speeds and oscillator
83.3 ns
83.3 ns
500 ns
83.3
85h
Oscillator frequency, f
80
6
1
24 MHz
41.6 ns
41.6 ns
500 ns
125 ns
8Bh
12
82
3
2
C functions on the
33 MHz
510 ns
120 ns
30 ns
30 ns
OSC
90h
17
83
4
I
2
C interface
40 MHz
500 ns
125 ns
25 ns
25 ns
93h
135/300
20
84
5
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