at52bc1661a ATMEL Corporation, at52bc1661a Datasheet - Page 2

• Manufacturer Part Number: at52bc1661a
• Description: 16-mbit Flash + 8-mbit Psram Stack Memory
• Manufacturer: ATMEL Corporation

CBGA Top View
Pin
Configurations
2
AT52BC1661A(T) [Preliminary]
Pin Name
A0 - A18, A19
CE
OE/POE
WE/PWE
VCC
VPP
I/O0-I/O15
PCS1
RDY/BUSY
PVCC
GND/PGND
PUB
PLB
NC
RESET
ZZ
C
D
G
H
A
B
E
F
NC
NC
1
NC
NC
2
PGND
A18
A16
PLB
WE
NC
NC
NC
3
Function
Common Address Input for 8M PSRAM/Flash, Flash Address Input
Flash Chip Enable
Flash/PSRAM, Output Enable
Flash/PSRAM, Write Enable
Flash Power Supply
Optional Flash Power Supply for Faster Program/Erase Operations
Data Inputs/Outputs
PSRAM Chip Select
Flash Ready/Busy Output
PSRAM Power Supply
Flash/PSRAM GND
PSRAM Upper Byte
PSRAM Lower Byte
No Connect
Flash Reset
Low-Power Modes
RDY BUSY
RESET
VPP
PUB
A11
A17
A8
A5
4
POE
A15
A10
A19
A7
A4
5
I/O11
A14
A9
A6
A0
6
I/O15
I/O12
I/O13
A13
I/O9
CE
A3
7
I/O10
PWE
GND
A12
I/O8
I/O6
ZZ
A2
8
PVCC
I/O14
GND
I/O2
I/O0
I/O4
OE
A1
9
PCS1
VCC
I/O7
I/O3
I/O1
10
I/O5
NC
NC
NC
NC
11
NC
NC
12
3455A–STKD–11/04