AT91SAM9G46B-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM9G46B-CU

SMART ARM-based Embedded MPU

Atmel Corporation 

48.12 Core Power Supply POR Characteristics

Table 48-25. Power-on Reset Characteristics

Symbol Parameter

Conditions

VT+

Threshold Voltage Rising

VT-

Threshold Voltage Falling

tRST

Reset Time

Minimum Slope of +2.0V/30ms

–

–

Min Typ Max Unit

0.5

0.7

0.89

V

0.4

0.6

0.85

V

30

70

130 µs

Table 48-26. Power-down Timing Specification

Symbol Parameter

Conditions

tRSTPD

Reset Delay at Power-Down From NRST low to the first supply turn-off

Min

Max

Unit

0

–

ms

48.13 SMC Timings

48.13.1 Timing Conditions

SMC Timings are given for MAX corners.

Timings are given assuming a capacitance load on data, control and address pads as defined in Table 48-27.

Table 48-27. Capacitance Load

Supply

3.3V

1.8V

Max

50 pF

30 pF

Corner

Min

5 pF

5 pF

In the following tables, tCPMCK is MCK period.

48.13.2 Timing Extraction

48.13.2.1 Zero Hold Mode Restrictions

Table 48-28. Zero Hold Mode Use Maximum System Clock Frequency (MCK)

Min

Symbol Parameter

1.8V VDDIOM Supply

3.3V VDDIOM Supply

fMAX

MCK Frequency

66

66

Unit

MHz

SAM9G46 Series [DATASHEET]

Atmel-11028G-ATARM-SAM9G46-Datasheet_08-Dec-15

1223

Share Link: