SPEAR320-2 STMicroelectronics, SPEAR320-2 Datasheet - Page 47

• Manufacturer Part Number: SPEAR320-2
• Description: IC MPU ARM9 289LFBGA
• Manufacturer: STMicroelectronics
• Series: SPEAr®r

Specifications of SPEAR320-2

• Processor Type: ARM Microprocessor
• Speed: 333MHz
• Voltage: 1.14 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 289-LFBGA
• Processor Series: SPEAr320
• Core: ARM926EJ-S
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 333 MHz
• Operating Supply Voltage: 1.2 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Data Ram Size: 8 KB
• Interface Type: I2C, UART, USB, Serial
• Number Of Programmable I/os: 102
• Number Of Timers: 4
• Program Memory Size: 32 KB
• Program Memory Type: ROM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-10843

SPEAr320
6.7
6.8
Table 24.
Table 25.
Power up sequence
It is recommended to power up the power supplies in the order shown in
brought up first, followed by
Figure 5.
Removing power supplies for power saving
It is recommended to remove the the power supplies in the order shown in
3.3
last the
Symbol
Symbol
V
RT1*
RT2*
REFIN
supply is to be removed first, then the
V
V
V
V
V
DD
DD
DD
DD
DD
1.8
2.5
3.3
1.2
1.2
Termination value of resistance for on die
Termination value of resistance for on die
On die termination
Reference voltage
Power-up sequence
.
Voltage applied to core/pad
termination
termination
Parameter
Parameter
V
DD
Doc ID 16755 Rev 4
1.8, then V
Power-up sequence
V
DD
DD
2.5
2.5
and finally
supply, followed by the
0.49 *
V
Min
Min
DDE
V
DD
3.3
0.500 *
Electrical characteristics
V
Typ
150
Typ
75
DDE
.
Figure
V
0.51 *
DD
V
Figure
Max
Max
DDE
1.8
5.
supply and
6. So
V
DD
Unit
Unit
V


1.2
47/76
V
DD
is