Power considerations, 1 power supplies – Rainbow Electronics AT91CAP9S250A User Manual
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6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
5.
Power Considerations
5.1
Power Supplies
The AT91CAP9S500A/AT91CAP9S250A has several types of power supply pins:
• VDDCORE pins: Power the core, including the processor, the embedded memories and the
peripherals; voltage range between1.08V and 1.32V, 1.2V nominal.
• VDDIOM pins: Power the External Bus Interface; voltage ranges between 1.65V and 1.95V
(1.8V nominal) or between 3.0V and 3.6V (3.3V nominal).
• VDDIOP0 pins: Power the Peripherals I/O lines and the USB transceivers; voltage range
between 3.0V and 3.6V, 3.3V nominal.
• VDDIOP1 pins: Power the Peripherals I/O lines involving the Image Sensor Interface; voltage
ranges from 1.65V to 3.6V, 1.8V, 2.5V, 3V or 3.3V nominal.
D16
PB1
J16
MPIOB42
P16
MPIOB1
W16
MPIOA15
D17
HDMB
J17
MPIOB39
P17
MPIOB7
W17
MPIOA21
D18
PLLRCU
J18
MPIOB43
P18
MPIOB10
W18
MPIOA22
D19
GNDUTMIC
J19
MPIOB41
P19
MPIOB21
W19
GNDIO
D20
GNDUPLL
J20
GNDIO
P20
VDDMPIOB
W20
VDDCORE
E1
PC30
K1
PD4
R1
PD21
Y1
SDCK
E2
PA2
K2
PA21
R2
PD17
Y2
SDCKN
E3
PA1
K3
PA24
R3
PD24
Y3
A1
E4
PA0
K4
PA27
R4
CAS
Y4
GNDCORE
E5
PC31
K5
PA23
R5
VDDCORE
Y5
A4
E6
GNDIO
K6
GNDIO
R6
D2
Y6
A8
E7
VDDCORE
K7
PA20
R7
D7
Y7
A10
E8
PC13
K8
VDDCORE
R8
VDDIOM
Y8
A15
E9
PC4
K9
GNDTHERMAL
R9
D13
Y9
A18
E10
RTCK
K10
GNDTHERMAL
R10
D12
Y10
A21
E11
VDDIOP0
K11
GNDTHERMAL
R11
VDDIOM
Y11
NCS0
E12
PB30
K12
GNDTHERMAL
R12
A16
Y12
MPIOA3
E13
PB28
K13
GNDCORE
R13
VDDIOM
Y13
MPIOA7
E14
PB11
K14
MPIOB33
R14
NC
Y14
VDDMPIOA
E15
PB5
K15
MPIOB30
R15
NC
Y15
MPIOA14
E16
NC
K16
MPIOB35
R16
NC
Y16
MPIOA18
E17
VDDPLL
K17
MPIOB38
R17
MPIOB2
Y17
MPIOA19
E18
VDDBU
K18
MPIOB40
R18
MPIOB4
Y18
MPIOA26
E19
XIN
K19
MPIOB37
R19
MPIOB19
Y19
MPIOA30
E20
XOUT
K20
MPIOB36
R20
MPIOB20
Y20
MPIOA31
Table 4-1.
AT91CAP9S500A/AT91CAP9S250A Pinout for 400-ball BGA Package (Continued)
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name