Cypress CY62128EV30 Manual do Utilizador descarregar pdf (Página 9)

CubeSat Kit PPM B1 Rev. A

August 2009 – document Rev. B

IO.38

H1.19 I/O

•

Comparator 0 inverting input. To CP0- (U1.8).

IO.39

H1.17 I/O

•

Comparator 0 non-inverting input. To CP0+ (U1.9).

IO.40

H1.15 I/O

•

AN0. Analog input 0. To AIN0.0 (U1.18).

IO.41

H1.13 I/O

•

AN1. Analog input 1. To AIN0.1 (U1.19).

IO.42

H1.11 I/O

•

AN2. Analog input 2. To AIN0.2 (U1.20).

IO.43

H1.9 I/O

•

AN3. Analog input 3. To AIN0.3 (U1.21).

IO.44

H1.7 I/O

•

AN4. Analog input 4. To AIN0.4 (U1.22).

IO.45

H1.5 I/O

•

AN5. Analog input 5. To AIN0.5 (U1.23).

IO.46

H1.3 I/O

•

AN6. Analog input 6. To AIN0.6 (U1.24).

IO.47

H1.1 I/O

•

AN7. Analog input 7. To AIN0.7 (U1.25).

PPM PIN DESCRIPTIONS – Power

Name Pin I/O CSKB Description

+5V_USB

H1.49

H1.50

–

•

+5V USB power. From USB host. Powers PPM.

+5V_SYS

H1.51

H1.52

–

•

+5V system power. From EPS or external +5V connector.

Powers PPM.

VCC_SD

H1.53

H1.54

–

+3.3V SD Card power. From PPM’s VCC.

VCC

H1.55

H1.56

–

+3.3V PPM power, MB power and I/O level. From PPM LDO

U4 using +5V_SYS and/or +5V_USB.

DGND

H1.57

H1.58

–

•

Digital ground.

AGND

H1.59

H1.60

–

•

Analog ground.

VBATT

H1.61

H1.62

–

•

Not connected.

VBACKUP

H1.63

H1.64

–

•

Not connected.

PPM PIN DESCRIPTIONS – Analog References

Name Pin I/O CSKB Description

VREF0

H1.66 –

•

ADC0 voltage reference input. To/from VREF0 (U1.16).

VREF1

H1.68 –

•

DAC voltage reference input.. To/from VREFD (U1.15).

VREF2

H1.70 –

•

ADC2 voltage reference input. To/from VREF2 (U1.17).

PPM PIN DESCRIPTIONS – Reserved

Name Pin I/O CSKB Description

RSVD0

H1.72 –

•

Not connected. Reserved for future use.

RSVD1

H1.74 –

•

Not connected. Reserved for future use.

RSVD2

H1.76 –

•

Not connected. Reserved for future use.

PPM PIN DESCRIPTIONS – MB-Specific

Name Pin I/O CSKB Description

CB4

USBDP

H1.78 I

Not connected.

CB2

USBDM

H1.80 I

Not connected.

-ON_SD

H1.82 O

Control signal for SD Card power. From P4.1 (U1.97). Active

LOW, pulled high on the MB. When active, enables

VCC_CARD on the MB, thereby powering SC Card socket and

SD Card level translators / isolators. Normally configured as

a digital output.

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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