LQFP64 datasheet(50/103 Pages) STMICROELECTRONICS

50 / 103 page

Electrical characteristics

SPC560P34L1, SPC560P34L3, SPC560P40L1, SPC560P40L3

50/103

Doc ID 16100 Rev 7

Figure 8 shows the constraints of the different power supplies.

VDD_HV_REG

3.3 V voltage regulator

supply voltage

—3.0

3.6

Relative to

VDD_HV_IOx

VDD_HV_IOx –0.1 VDD_HV_IOx +0.1

VDD_HV_ADC0

3.3 V ADC_0 supply and

high reference voltage

—3.0

5.5

Relative to

VDD_HV_REG

VDD_HV_REG −

0.1

5.5

VSS_HV_ADC0

ADC_0 ground and low

reference voltage

—0

VDD_LV_REGCOR

(3)

,(4)

CC Internal supply voltage

—

VSS_LV_REGCOR

(3) SR

Internal reference

voltage

—0

VDD_LV_CORx

(3),(4) CC Internal supply voltage

—

VSS_LV_CORx

(3)

Internal reference

voltage

—0

Ambient temperature

under bias

fCPU =60MHz

−40

125

°C

fCPU =64MHz

−40

105

°C

Full functionality cannot be guaranteed when voltage drops below 3.0 V. In particular, ADC electrical characteristics and

I/Os DC electrical specification may not be guaranteed.

The difference between each couple of voltage supplies must be less than 100 mV,

⏐V

DD_HV_IOy –

VDD_HV_IOx

⏐ < 100 mV.

To be connected to emitter of external NPN. Low voltage supplies are not under user control—they are produced by an on-

chip voltage regulator—but for the device to function properly the low voltage grounds (VSS_LV_xxx) must be shorted to high

voltage grounds (VSS_HV_xxx) and the low voltage supply pins (VDD_LV_xxx) must be connected to the external ballast

emitter.

The low voltage supplies (VDD_LV_xxx) are not all independent.

– VDD_LV_COR1 and VDD_LV_COR2 are shorted internally via double bonding connections with lines that provide the low

voltage supply to the data flash memory module. Similarly, VSS_LV_COR1 and VSS_LV_COR2 are internally shorted.

– VDD_LV_REGCOR and VDD_LV_RECORx are physically shorted internally, as are VSS_LV_REGCOR and VSS_LV_CORx.

Table 11.

Recommended operating conditions (3.3 V) (continued)

Symbol

Parameter

Conditions

Value

Unit

Min

Max(1)

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