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uPSD3212A, uPSD3212C, uPSD3212CV
Table 113. Major Parameters
Parameters/Conditions/
Comments 5V Test
Conditions 5.0V Value 3.3V Test
Conditions 3.3V Value Unit
Operating Voltage 4.5 to 5.5 3.0 to 3.6 V
Operating Temperature –40 to 85 –40 to 85 °C
MCU Frequency
12MHz (min) for USB;
8MHz (min) for I2C 1 Min, 40 Max 1 Min, 24 Max MHz
Active Current, Typical
(25°C operation; 80% Flash and
15% SRAM accesses, 45 PLD
product terms used; PLD Turbo
mode Off)
24MHz MCU clock,
12MHz PLD input
frequency, 4MHz ALE 72 12MHz MCU clock,
6MHz PLD input
frequency, 2MHz ALE 21 mA
Idle Current, Typical
(CPU halted but some peripherals
active; 25°C operation; 45 PLD
product terms used; PLD Turbo
mode Off)
24MHz MCU clock,
12MHz PLD input
frequency 25 12MHz MCU clock,
1MHz PLD input
frequency 7mA
Standby Current, Typical
(Power-down Mode, requires reset
to exit mode; without Low-Voltage
Detect (LVD) Supervisor)
180µA with LVD 110 100µA with LVD 60 µA
SRAM Backup Current, Typical
(If external battery is attached.) –0.5–0.5µA
I/O Sink/Source Current
Ports A, B, C, and D VOL = 0.25V (max);
VOH = 3.9V (min) IOL = 8 (max);
IOH = –2 (min) VOL = 0.15V (m ax);
VOH = 2.6V (min) IOL = 4 (max);
IOH = –1 (min) mA
PLD Macrocells
(For registered or combinatorial
logic) –16–16
PLD Inputs
(Inputs from pins, macrocell
feedback, or MCU addresses) –69–69
PLD Outputs
(Output to pins or internal
feedback) –16–16
PLD Propagation Delay, Typical
(PLD input to output, Turbo Mode) 15 22 ns