UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 170

• 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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Table 123. External clock drive (with the 3 V MCU module)
1. Conditions (in addition to those in
Figure 74. External data memory Read cycle
Figure 75. External data memory Write cycle
Symbol
t
t
t
t
t
WLWH
LLAX2
RLRH
RHDX
RHDX
output is 100 pF, for 5 V devices, and 50 pF for 3 V devices; C
and 50 pF for 3 V devices)
Oscillator period
High time
Low time
Rise time
Fall time
PORT 0
PORT 2
PORT 0
PORT 2
PSEN
PSEN
ALE
ALE
WR
RD
Parameter
tAVLL
tAVLL
tLHLL
tLHLL
A0-A7 from
RI or DPL
A0-A7 from
RI or DPL
(1)
tAVWL
tLLAX
tAVWL
tLLAX2
Table
tLLWL
tLLWL
P2.0 to P2.3 or A8-A11 from DPH
P2.0 to P2.3 or A8-A11 from DPH
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
tAVDV
114, V
tLLDV
tQVWX
24 MHz oscillator
CC
tRLDV
tRLAZ
tQVWH
Min.
tWLWH
tRLRH
= 3.0 to 3.6 V): V
DATA OUT
DATA IN
Max.
L
tWHQX
for other outputs is 80 pF, for 5 V devices,
tRHDZ
SS
tWHLH
tWHLH
tRHDX
= 0 V; C
Variable oscillator 1/t
A0-A7 from PCL
A0-A7 from PCL
Min.
41.7
12
12
A8-A11 from PCH
A8-A11 from PCH
= 8 to 24 MHz
L
for Port 0, ALE and PSEN
t
t
CLCL
CLCL
INSTR IN
INSTR IN
Max.
125
AI07088
AI07089
12
12
– t
– t
CLCL
CLCX
CLCX
Unit
ns
ns
ns
ns
ns