UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 169

• 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: -

UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
Table 121. External program memory AC characteristics (with the 3 V MCU module)
1. Conditions (in addition to those in
2. Interfacing the UPSD323xx devices to devices with float times up to 35 ns is permissible. This limited bus
Table 122. External clock drive (with the 5 V MCU module)
1. Conditions (in addition to those in
Symbol
Symbol
t
t
PXAV
t
t
PXIZ
t
t
t
t
t
t
t
t
t
WLWH
LLAX2
t
t
t
t
RLRH
RHDX
RHDX
PLPH
LLAX
AZPL
LHLL
AVLL
LLPL
PXIX
PLIV
AVIV
LLIV
output is 100 pF, for 5 V devices, and 50 pF for 3 V devices; C
and 50 pF for 3 V devices)
contention does not cause any damage to Port 0 drivers.
output is 100 pF; C
(2)
(2)
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
Oscillator period
High time
Low time
Rise time
Fall time
Parameter
Parameter
L
for other outputs is 80 pF
(1)
(1)
Table
Table
114, V
113, V
CC
CC
Min.
–10
43
17
17
22
95
37
40 MHz oscillator
0
Min.
oscillator
= 3.0 to 3.6 V): V
= 4.5 to 5.5 V): V
24 MHz
Max.
148
80
32
60
L
Max.
for other outputs is 80 pF, for 5 V devices,
SS
SS
2 t
3 t
t
t
t
= 0 V; C
= 0 V; C
CLCL
CLCL
CLCL
t
CLCL
CLCL
CLCL
1/t
Min.
–10
Variable oscillator
0
CLCL
1/t
– 25
– 25
– 20
– 5
– 40
– 30
Variable oscillator
L
CLCL
L
Min.
DC and AC parameters
for Port 0, ALE and PSEN
25
10
10
for Port 0, ALE and PSEN
= 8 to 24 MHz
= 24 to 40 MHz
4 t
3 t
5 t
t
CLCL
CLCL
CLCL
CLCL
Max.
t
t
CLCL
CLCL
t
t
Max.
41.7
CLCX
CLCX
10
10
– 10
– 87
– 65
– 60
–
–
169/189
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns