at52br3224a ATMEL Corporation, at52br3224a Datasheet - Page 2

• Manufacturer Part Number: at52br3224a
• Description: At52br3224a 32-megabit Flash + 4-megabit/ 8-megabit Sram Stack Memory
• Manufacturer: ATMEL Corporation

Pin Configuration
AT52BR3224A(T)/
AT52BR3228A(T)
(Top View)
2
AT52BR3224A(T)/3228A(T)
Pin Name
A0 - A17
A0 - A18
A19 - A20
CE
OE
WE
RESET
RDY/BUSY
VPP
VCC
GND
I/O0 - I/O15
NC
SLB
SUB
SVCC
SGND
SCS1
SCS2
SWE
SOE
C
D
G
H
A
B
E
F
NC
NC
1
NC
NC
2
SGND
SLB
A20
A16
WE
A18
Function
Flash/SRAM Common Address Input for 4M SRAM
Flash/SRAM Common Address Input for 8M SRAM
Flash Address Input
Flash Chip Enable
Flash Output Enable
Flash Write Enablee
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
NC
NC
3
RDY/BUSY
VPP
SUB
A11
RES
A17
A8
A5
4
SOE
A15
A10
A19
A7
A4
5
I/O11
A14
A9
A6
A0
6
I/O15
I/O13
I/O12
I/O9
A13
CE
A3
7
SCS2
I/O10
SWE
GND
A12
I/O6
I/O8
A2
8
SVCC
I/O14
GND
I/O4
I/O2
I/O0
OE
A1
9
SCS1
VCC
10
I/O7
I/O5
I/O3
I/O1
NC
NC
11 12
NC
NC
NC
NC
3338B–STKD–6/03