AT91FR40162_02 Datasheet, PDF (4/21 Pages) ATMEL Corporation – AT91 ARM Thumb Microcontrollers

Preliminary
Table 1. AT91FR4042 Pin Description (Continued)
Module
Flash
Memory
Power
Name
NCSF
NBUSY
NRSTF
VDDIO
VDDCORE
GND
VPP
Function
Flash Memory Select
Flash Memory Busy Output
Flash Memory Reset Input
Power
Power
Ground
Power
Type
Input
Output
Input
Power
Power
Ground
Power
Active
Level
Low
Low
Low
–
–
–
–
Comments
Enables Flash Memory when pulled low
Flash RDY/BUSY signal; open-drain
Resets Flash to standard operating mode
All V_DDIO, V_DDCORE and all GND pins
MUST be connected to their respective
supplies by the shortest route
See AT49BV/LV4096A
4-megabit (256K x 16/512K x 8) Single 2.7
Volt Flash Memory Datasheet
4 _AT91FR4042
2648B–ATARM–12/02