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CubeSat Kit PSPM B Rev. B

March 2010 – document Rev. A

OPERATIONAL DESCRIPTION

PSPM B enables CubeSat Kit customers to utilize the C8051 processor on a CubeSat Kit Development

Board (DB). With its 100-pin clamshell ZIF socket, PSPM B accepts the 100-pin C8051F120-GQ, with its

wide selection of on-chip peripherals. Additionally, a 1Mbit external static RAM is present for off-chip

storage.

When fitted with a C8051F120-GQ, PSPM B is electrically identical to PPM B1.

ABSOLUTE MAXIMUM RATINGS

Parameter Symbol Value Units

Operating temperature T

-40 to +85 ºC

Operating temperature, C8051F120 alone T

A_MCU

-55 to +125 ºC

Voltage on +5V_USB bus

Voltage on +5V_SYS bus

Voltage on –FAULT_OC open-collector output

-0.3 to +6.0 V

Voltage on VCC bus

Voltage on VCC_SD bus

-0.3 to +3.6 V

Voltage on any processor pin except VDD and port I/O

-0.3 to

(VCC + 0.3)

Voltage on any processor VDD or port I/O pin

-0.3 to

+5.8V

Maximum current sourced or sunk by any processor port I/O pin 100 mA

DC current through any pin of PPM connector H1

PIN_MAX

1.2 A

Refer to the C8051F120/1/2/3/4/5/6/7 family datasheet for additional absolute maximum ratings

associated with processor U1.

1 2 3 4 5 6 7 8 ... 12 13

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