at49lh00b4 ATMEL Corporation, at49lh00b4 Datasheet - Page 4

• Manufacturer Part Number: at49lh00b4
• Description: 4-megabit Top Boot, Bottom Partitioned Firmware Hub And Low-pin Count Flash Memory
• Manufacturer: ATMEL Corporation

3. Block Diagram
4. Device Memory Map
4
Sector
AT49LH00B4
10
9
8
7
6
5
4
3
2
1
0
FWH4/LFRAME
FWH/LAD[3:0]
RDY/BSY
GPI[4:0]
I/O[7:0]
A[10:0]
ID[3:0]
CLK
RST
R/C
WE
OE
IC
Main Sector
Main Sector
Main Sector
Main Sector
Main Sector
Main Sector
Main Sector
Sub-sector
Sub-sector
Sub-sector
Sub-sector
TBL
Type
INTERFACE CONTROL
INTERFACE
INTERFACE
FWH/LPC
A/A MUX
WP
AND LOGIC
INIT
Size (Bytes)
64K
64K
64K
64K
64K
64K
64K
32K
16K
8K
8K
CONTROL LOGIC
X-DECODER
Y-DECODER
070000H - 07FFFFH
060000H - 06FFFFH
050000H - 05FFFFH
040000H - 04FFFFH
030000H - 03FFFFH
020000H - 02FFFFH
010000H - 01FFFFH
008000H - 00FFFFH
004000H - 007FFFH
002000H - 003FFFH
000000H - 001FFFH
AND LATCHES
I/O BUFFERS
Address Range
Y-GATING
MEMORY
ARRAY
FLASH
3379C–FLASH–3/05