UPSD3433EB40U6 STMicroelectronics, UPSD3433EB40U6 Datasheet - Page 126

• 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

I
Note:
126/293
2
C interface
1
Table 60.
Table 61.
833KHz is maximum for uPSD34xx devices.
Table 62
f
typically slightly less than the minimum START condition hold time, t
bus speed.
Important note: The SCL bit rate f
S1CON before a value is chosen for SMPL_SET[6:0] in the SFR S1SETUP.
OSC
SS_EN bit
and f
Contents of S1SETUP
I
...
...
0
1
1
1
1
1
1
2
provides recommended settings for S1SETUP based on various combinations of
C Bus Speed
SCL
Standard
Number of I
Condition)
Start condition hold time
High
Fast
. Note that the “Total Sample Period” times in
SMPL_SET[6:0]
XXXXXXXb
0000000b
0000001b
0000010b
0001011b
0010111b
1111111b
2
C bus samples taken after 1-to-0 transition on SDA (START
...
...
Range of I
SCL
401KHz to 833KHz
must first be determined by bits CR[2:0] in the SFR
Up to 100KHz
101KHz to
Resulting value for
400KHz
2
(f
C Clock Speed
SCL
00h (default)
S1SETUP
)
8Bh
FFh
80h
81h
82h
97h
...
...
(1)
Table 61 on page 126
Minimum START Condition
Samples Taken After 1-to-0
Hold Time (
Resulting Number of
HLDSTA
on SDA Line
4000ns
600ns
160ns
for a given I
128
12
24
...
...
1
1
2
3
t
HLDSTA
uPSD34xx
are
)
2
C