SPEAR320-2 STMicroelectronics, SPEAR320-2 Datasheet - Page 48

• 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

Electrical characteristics
6.9
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Figure 6.
Power on reset (MRESET)
The MRESET must remain active for at least 10 ms after all the power supplies are in the
correct range and should become active in no more than 10 µs when one of the power
supplies goes out of the correct range.
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V
V
V
DD
DD
DD
DD
1.8
2.5
3.3
1.2
Power-down sequence
Doc ID 16755 Rev 4
Power-down sequence
SPEAr320