SPC560P50L5 datasheet(33/112 Pages) STMICROELECTRONICS

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SPC560P44Lx, SPC560P50Lx

Package pinouts and signal descriptions

Doc ID 14723 Rev 9

33/112

2.2.2

System pins

Table 5 and Table 6 contain information on pin functions for the SPC560P44Lx,

SPC560P50Lx devices. The pins listed in Table 6 are single-function pins. The pins shown

in Table 7 are multi-function pins, programmable via their respective Pad Configuration

VDD_LV_COR1

1.2 V Decoupling pins for core logic. Decoupling capacitor

must be connected between these pins and the nearest

VSS_LV_COR pin.

VSS_LV_COR1

1.2 V Decoupling pins for core logic. Decoupling capacitor

must be connected between these pins and the nearest

VDD_LV_COR pin.

VDD_LV_COR2

1.2 V Decoupling pins for core logic. Decoupling capacitor

must be connected between these pins and the nearest

VSS_LV_COR pin.

131

VSS_LV_COR2

1.2 V Decoupling pins for core logic. Decoupling capacitor

must be connected between these pins and the nearest

VDD_LV_COR pin.

132

VDD_LV_COR3

1.2 V Decoupling pins for on-chip PLL modules. Decoupling

capacitor must be connected between this pin and

VSS_LV_COR3.

VSS_LV_COR3

1.2 V Decoupling pins for on-chip PLL modules. Decoupling

capacitor must be connected between this pin and

VDD_LV_COR3.

1. Analog supply/ground and high/low reference lines are internally physically separate, but are shorted via a double-bonding

connection on VDD_HV_ADCx/VSS_HV_ADCx pins.

2. Not available on 100-pin package.

Table 5.

Supply pins (continued)

Supply

Symbol

Description

100-pin

144-pin

Table 6.

System pins

Symbol

Description

Direction

Pad speed(1)

SRC = 0

SRC = 1

100-pin

144-pin

Dedicated pins. Available on 100-pin and 144-pin package.

MDO[0]

Nexus Message Data Output—line 0

Output only

Fast

—

NMI

Non-Maskable Interrupt

Input only

Slow

—

XTAL

Analog output of the oscillator amplifier

circuit; needs to be grounded if oscillator

is used in bypass mode

——

—

EXTAL

– Analog input of oscillator amplifier

circuit, when oscillator not in bypass

mode

– Analog input for clock generator when

oscillator in bypass mode

——

—

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