UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 171

• 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 124. External data memory AC characteristics (with the 5 V MCU module)
1. Conditions (in addition to those in
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WLWH
LLAX2
t
QVWX
QVWH
WHQX
WHLH
RLRH
RHDX
RHDX
RHDZ
AVWL
AVDV
LLWL
RLAZ
LLDV
output is 100 pF; C
RD pulse width
WR pulse width
Address hold after ALE
RD to valid data in
Data hold after RD
Data float after RD
ALE to valid data in
Address to valid data in
ALE to WR or RD
Address valid to WR or RD
WR or RD High to ALE High
Data valid to WR transition
Data set-up before WR
Data hold after WR
Address float after RD
Parameter
L
for other outputs is 80 pF
(1)
Table
113, V
40 MHz oscillator
CC
Min.
120
120
125
10
60
70
10
0
5
5
= 4.5 to 5.5 V): V
Max.
150
150
75
38
90
40
0
SS
= 0 V; C
6 t
6 t
3 t
4 t
7 t
t
t
t
t
CLCL
CLCL
CLCL
CLCL
1/t
CLCL
CLCL
CLCL
CLCL
CLCL
Min.
Variable oscillator
CLCL
0
– 15
– 15
– 20
– 20
L
– 30
– 30
– 15
– 30
– 50
DC and AC parameters
for Port 0, ALE and PSEN
= 24 to 40 MHz
5 t
2 t
8 t
9 t
t
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Max.
0
+ 15
+ 15
– 50
– 12
– 50
– 75
171/189
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns