UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 168

• Manufacturer Part Number: UPSD3234A-40U6T
• Description: IC MCU 8032 64KB FLASH 80TQFP
• Manufacturer: STMicroelectronics
• Series: µPSDr

Specifications of UPSD3234A-40U6T

• Core Processor: 8032
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, UART/USART, USB
• Peripherals: LVR, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 288KB (288K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

DC and AC parameters
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Figure 73. External program memory Read cycle
Table 120. External program memory AC characteristics (with the 5 V MCU module)
1. Conditions (in addition to those in
2. Interfacing the UPSD323xx devices to devices with float times up to 20 ns is permissible. This limited bus
Symbol
t
t
PXAV
PXIZ
t
t
t
t
t
t
t
t
t
t
PLPH
LLAX
AZPL
LHLL
AVLL
LLPL
PXIX
PLIV
AVIV
LLIV
output is 100 pF; C
contention does not cause any damage to Port 0 drivers.
(2)
(2)
PORT 0
PORT 2
PSEN
ALE
ALE pulse width
Address set-up to ALE
Address hold after ALE
ALE Low to valid instruction in
ALE to PSEN
PSEN pulse width
PSEN to valid instruction in
Input instruction hold after
PSEN
Input instruction float after
PSEN
Address valid after PSEN
Address to valid instruction in
Address float to PSEN
Parameter
L
t LHLL
for other outputs is 80 pF
t AVLL
A8-A11
A0-A7
t LLAX
(1)
t LLPL
Table
t AVIV
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
113, V
t AZPL
t LLIV
t PLIV
t PLPH
40 MHz oscillator
CC
Min.
35
10
10
10
60
20
–5
0
= 4.5 to 5.5 V): V
INSTR
IN
Max.
55
15
70
t PXIX
30
t PXIZ
t PXAV
SS
= 0 V; C
2 t
3 t
t
t
t
CLCL
CLCL
CLCL
t
1/t
CLCL
CLCL
CLCL
Min.
Variable oscillator
CLCL
–5
0
– 15
– 15
– 15
L
A8-A11
– 5
A0-A7
– 15
– 15
for Port 0, ALE and PSEN
= 24 to 40 MHz
4 t
3 t
5 t
t
CLCL
CLCL
CLCL
CLCL
Max.
– 10
AI06848
– 45
– 45
– 55
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns