MAC7100 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MAC7100

MAC7100 Microcontroller Family Hardware Specifications

Motorola => Freescale 

Freescale Semiconductor, Inc.

Electrical Characteristics

3.6.5 Chip Power Up and Voltage Drops

The VREG sub-modules LVI (low voltage interrupt), POR (power on reset) and LVR (low voltage reset)

handle chip power-up or drops of the supply voltage. Refer to Figure 2.

Voltage

VLVID

VLVIA

VDDA

VLVRD

VLVRA

VPORD

VDD2.5

LVI Disabled Time

LVI

LVI Enabled

due to LVR

POR

LVR

Note: Not to scale.

Figure 2. VREG Chip Power-up and Voltage Drops

3.6.6 Output Loads

The on-chip voltage regulator is intended to supply the internal logic and oscillator circuits. No external DC

load is allowed. Capacitive loads are specified in Table 14. Capacitors with X7R dielectricum are required.

Table 14. VREG Recommended Load Capacitances

Rating

Load Capacitance on each VDD2.5 pin

Load Capacitance on VDDPLL pin

Symbol

Min

CLVDD

200

CLVDDfcPLL

90

Typ

Max

Unit

440

12000

nF

220

5000

nF

MOTOROLA

MAC7100 Microcontroller Family Hardware Specifications

11

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

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