ST & T UPSD3212A Computer Hardware User Manual


 
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uPSD3212A, uPSD3212C, uPSD3212CV
Note: 1. I
PD
(Power-down Mode) is measured with:
2. XTAL1=V
SS
; XTAL2=not connected; RESET=V
CC
; Port 0 =V
CC
; all other pins are disconnected. PLD not in Turbo Mode.
3. I
CC_CPU
(active mode) is measured with:
4. XTAL1 driven with t
CLCH
, t
CHCL
= 5ns, V
IL
= V
SS
+0.5V, V
IH
= V
CC
– 0.5V, XTAL2 = not connected; RESET=V
SS
; Port 0=V
CC
; all
other pins are disconnected. I
CC
would be slightly higher if a crystal oscillator is used (approximately 1mA).
5. I
CC_CPU
(Idle Mode) is measured with:
6. XTAL1 driven with t
CLCH
, t
CHCL
= 5ns, V
IL
= V
SS
+0.5V, V
IH
= V
CC
– 0.5V, XTAL2 = not connected; Port 0 = V
CC
;
7. RESET
=V
CC
; all other pins are disconnected.
8. See Figure 68., page 128 for the PLD current calculation.
9. I/O current = 0mA, all I/O pins are disconnected.
I
STBY
SRAM (PSD) Standby Current
(V
STBY
input)
V
CC
= 0V
0.5 1 µA
I
IDLE
SRAM (PSD) Idle Current
(V
STBY
input)
V
CC
> V
STBY
–0.1 0.1 µA
I
RST
Reset Pin Pull-up Current
(RESET
)
V
IN
= V
SS
–10 –55 µA
I
FR
XTAL Feedback Resistor
Current (XTAL1)
XTAL1 = V
CC
XTAL2 = V
SS
–20 –50 µA
I
LI
Input Leakage Current
V
SS
< V
IN
< V
CC
–1 1 µA
I
LO
Output Leakage Current
0.45 < V
OUT
< V
CC
–10 10 µA
I
PD
(1)
Power-down Mode
V
CC
= 5.5V
LVD logic disabled
250 µA
LVD logic enabled 380 µA
I
CC_CPU
(2,3,5)
Active (12MHz)
V
CC
= 5V
20 30 mA
Idle (12MHz) 8 10 mA
Active (24MHz)
V
CC
= 5V
30 38 mA
Idle (24MHz) 15 20 mA
Active (40MHz)
V
CC
= 5V
40 62 mA
Idle (40MHz) 20 30 mA
I
CC_PSD
(DC)
(5)
Operating
Supply Current
PLD Only
PLD_TURBO = Off,
f = 0MHz
(4)
0
µA/PT
(5)
PLD_TURBO = On,
f = 0MHz
400 700 µA/PT
Flash
memory
During Flash memory
WRITE/Erase Only
15 30 mA
Read only, f = 0MHz 0 0 mA
SRAM f = 0MHz 0 0 mA
I
CC_PSD
(AC)
(5)
PLD AC Base Note 4
Flash memory AC Adder 2.5 3.5
mA/
MHz
SRAM AC Adder 1.5 3.0
mA/
MHz
Symbol Parameter
Test Condition
(in addition to those
in Table
109., page 133)
Min. Typ. Max. Unit