Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256 Manuale Utente

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DEMO9S12XHY256

Electrical Characteristics

MC9S12XHY-Family Reference Manual, Rev. 1.04

Freescale Semiconductor

743

A.4

Voltage Regulator

Table A-18. Voltage Regulator Electrical Characteristics

Conditions are shown in

Table A-4

unless otherwise noted

Num

Characteristic

Symbol

Min

Typical

Max

Unit

Input Voltages

VDDR,A

3.13

—

5.50

Output Voltage Core

Full Performance Mode
Reduced Power Mode (MCU STOP mode)

1.72

—

1.84
1.60

1.98

—

V
V

Output Voltage Flash

Full Performance Mode

Reduced Power Mode (MCU STOP mode)

DDF

2.60

—

2.82
2.20

2.90

—

V
V

Output Voltage PLL

Full Performance Mode
Reduced Power Mode (MCU STOP mode)

DDPLL

1.72

—

1.84
1.60

1.98

—

V
V

Low Voltage Interrupt

Assert Level
Deassert Level

Monitors VDDA, active only in Full Performance Mode. Indicates I/O & ADC performance degradation due to low supply
voltage.

LVIA

LVID

4.04
4.19

4.23
4.38

4.40
4.49

V
V

VDDX Low Voltage Reset

2 3

Assert Level
Deassert Level

Device functionality is guaranteed on power down to the LVR assert level

Monitors VDDX, active only in Full Performance Mode. MCU is monitored by the POR in RPM (see

Figure A-2

)

LVRXA

LVRXD

—
—

3.02

—

3.13

V
V

Trimmed API internal clock

∆

f / f

nominal

The API Trimming bits must be set that the minimum period equals to 0.2 ms.

API

-5

—

The first period after enabling the counter by APIFE
might be reduced by API start up delay

sdel

—

100

Temperature Sensor Slope

5.05

5.25

5.45

mV/

High Temperature Interrupt Assert

Assert (VREGHTTR=$88)
Deassert (VREGHTTR=$88)

A hysteresis is guaranteed by design

HTIA

HTID

120
110

132
122

144
134

Bandgap Reference Voltage

1.13

1.21

1.32