AT91SAM7X512_1 Datasheet, PDF (617/687 Pages) ATMEL Corporation – AT91 ARM Thumb-based Microcontrollers

AT91SAM7X512/256/128 Preliminary
Table 38-3. 1.8V Voltage Regulator Characteristics
Symbol Parameter
Conditions
V_VDDIN
V_VDDOUT
I_VDDIN
Supply Voltage
Output Voltage
Current consumption
I_O = 20 mA
After startup, no load
After startup, Idle mode, no load
T_START
I_O
I_O
Startup Time
Maximum DC Output Current
Maximum DC Output Current
C_load = 2.2 µF, after V_DDIN > 2.7V
V_DDIN = 3.3V
V_DDIN = 3.3V, in Idle Mode
Table 38-4. Brownout Detector Characteristics
Symbol Parameter
Conditions
V_BOT18-
V_HYST18
V_BOT33-
V_HYST33
I_DD
VDDCORE Threshold Level
VDDCORE Hysteresis
VDDFLASH Threshold Level
VDDFLASH Hysteresis
Current Consumption
V_HYST18 = V_BOT18+ - V_BOT18-
V_HYST33 = V_BOT33+ - V_BOT33-
BOD on (GPNVM0 bit active)
BOD off (GPNVM0 bit inactive)
T_START
Startup Time
Table 38-5. DC Flash Characteristics AT91SAM7X512/256/128
Symbol Parameter
Conditions
T_PU
Power-up delay
I_SB
Standby current
@25°C
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
@85°C
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
I_CC
Active current
Random Read @ 30MHz
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
Write (one bank for AT91SAMX512)
onto VDDCORE = 1.8V
onto VDDFLASH = 3.3V
6120H–ATARM–17-Feb-09
Min
Typ
Max Units
3.0
3.3
3.6
V
1.81
1.85
1.89
V
90
µA
10
25
µA
150
µS
100
mA
1
mA
Min
Typ
Max Units
1.65
1.68
1.71
V
50
65
mV
2.70
2.80
2.90
V
70
120
mV
24
30
µA
1
µA
100
200
µs
Min
Max
Units
45
µS
10
µA
30
10
µA
120
3.0
mA
0.8
400
µA
5.5
mA
617