UPSD3422EV-40U6 STMicroelectronics, UPSD3422EV-40U6 Datasheet - Page 275

• Manufacturer Part Number: UPSD3422EV-40U6
• Description: MCU 8BIT 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

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

UPSD3422, UPSD3433, UPSD3434, UPSD3454
Figure 98. External READ cycle (80-pin device only)
Table 214. External READ cycle AC characteristics (3 V or 5 V device)
1. BUSCON register is configured for 4 PFQCLK.
2. Refer to
Table 215. n, m, and x, y values
Symbol
t
t
AD0 - AD7
t
t
t
t
t
LATCHED
t
t
t
BUSCON register
RLRH
AVDX
AVQV
AZRL
LHLL
AVLL
LLAX
LLRL
A8 - A15
RXIX
RHIZ
# of PFQCLK in
MCU
MCU
RD
ALE
ALE pulse width
Address setup to ALE
Address hold after ALE
ALE to RD
RD pulse width
Input data hold after RD
Input data float after RD
Address to valid data in
Address float to RD
Address valid to latched
address out on Ports A and B
Table 215
4
5
6
7
t AVLL
t LHLL
for “n” and “m” values.
Parameter
t LLAX
(2)
A0-A7
t LLRL
n
2
3
4
5
(2)
t AVQV
READ cycle
t AZRL
40 MHz oscillator
t RLRH
Min
7.5
7.5
17
13
40
–2
2
t AVDV
DATA
m
3
4
5
6
IN
35.5 (3 V)
28 (5 V)
A8-A15
Max
10.5
70
t RXDZ
(1)
t RXDX
0.5t
0.5t
nt
t
t
CLCL
1/t
CLCL
CLCL
Variable oscillator
CLCL
CLCL
Min
CLCL
–2
x
2
3
4
5
2
– 12
DC and AC parameters
– 8
– 10
WRITE cycle
– 5
– 5
= 3 to 40 MHz
A0-A7
0.5t
1.5t
mt
t
CLCL
CLCL
CLCL
CLCL
Max
– 9.5
A8-A15
– 5
– 2
– 2
y
1
2
3
4
275/300
AI10471
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns