SPC56EL70L3 datasheet(56/128 Pages) STMICROELECTRONICS

56 / 128 page

Package pinouts and signal descriptions

SPC56EL70L3, SPC56EL70L5,PC564L70L3,

56/128

DocID023953 Rev 5

2.3

System pins

VSS 1V2

VSS_LV_COR



Decoupling pins for core logic. Decoupling capacitor must be connected

between these pins and the nearest VDD_LV_COR pin.

132

VDD 1V2

VDD_LV_COR /



Decoupling pins for core logic. Decoupling capacitor must be connected

between these pins and the nearest VDD_LV_COR pin.

—135

VSS 1V2

VSS_LV_COR /



Decoupling pins for core logic. Decoupling capacitor must be connected

between these pins and the nearest VDD_LV_COR pin.

—137

Table 5. Supply pins (continued)

Supply

Pin #

Symbol

Description

100

Pkg

144

Pkg

Table 6. System pins

Symbol

Description

Direction

Pin #

100

pkg

144

pkg

Dedicated pins

MDO0(1)

Nexus Message Data Output — line

Output only

—

NMI(2)

Non Maskable Interrupt

Input only

XTAL

Input for oscillator amplifier circuit and internal clock generator

Input only

EXTAL(3)

Oscillator amplifier output

Input/Output(4)

TMS(2)

JTAG state machine control

Input only

TCK(2)

JTAG clock

Input only

JCOMP(5)

JTAG compliance select

Input only

123

Reset pin

RESET

Bidirectional reset with Schmitt-Trigger characteristics and noise

filter. This pin has medium drive strength. Output drive is open drain

and must be terminated by an external resistor of value 1KOhm.(6)

Bidirectional

Test pin

VPP TEST

Pin for testing purpose only. To be tied to ground in normal operating

mode.

107

1. This pad is configured for Fast (F) pad speed.

2. This pad contains a weak pull-up.

3. EXTAL is an "Output" in "crystal" mode, and is an "Input" in "ext clock" mode.

4. In XOSC Bypass Mode, the analog portion of crystal oscillator (amplifier) is disabled. An external clock can be applied at

EXTAL as an input. In XOSC Normal Mode, EXTAL is an output

5. This pad contains a weak pull-down.

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