at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 2

• Manufacturer Part Number: at52br3244
• Description: 32-megabit 2m X 16 Flash +4-megabit 256k X 16 / 8-megabit 512k X 16 Sram Stack Memory
• Manufacturer: ATMEL Corporation

AT52BR3244(T)/
AT52BR3248(T)
(Top View)
Pin Configurations
2
AT52BR3244(T)/3248(T)
l
Pin Name
A0 - A20
CE
OE
WE
RESET
RDY/BUSY
VPP
VCC
GND
I/O0 - I/O15
NC
SLB
SUB
SVCC
SGND
SCS1
SCS2
SWE
SOE
G
C
D
H
A
B
E
F
NC
NC
1
NC
NC
2
SGND
SLB
A20
A16
WE
A18
NC
NC
3
Function
Addresses
Flash Chip Enable
Flash Output Enable
Flash Write Enable
Flash Reset
Flash READY/BUSY Output
Flash Power Supply for Accelerated Program/Erase Operations
Flash Power
Flash Ground
Data Inputs/Outputs
No Connect
SRAM Lower Byte
SRAM Upper Byte
SRAM Power
SRAM Ground
SRAM Chip Select 1
SRAM Chip Select 2
SRAM Write Enable
SRAM Output Enable
RDY/BSY
RESET
VPP
SUB
A11
A17
A8
A5
4
SOE
A15
A10
A19
A7
A4
5
A14
D11
A9
A6
A0
6
D15
D13
D12
A13
CE
D9
A3
7
SCS2
SWE
GND
A12
D10
D6
D8
A2
8
SVCC
GND
D14
OE
D4
D2
D0
A1
9
SCS1
VCC
10
NC
NC
D7
D5
D3
D1
11 12
NC
NC
NC
NC
2471E–STKD–10/02