参数资料
型号: AM29F032B-75FC
厂商: SPANSION LLC
元件分类: PROM
英文描述: 4M X 8 FLASH 5V PROM, 70 ns, PDSO40
封装: REVERSE, MO-142CD, TSOP-40
文件页数: 5/41页
文件大小: 1511K
代理商: AM29F032B-75FC
Am29F032B
13
Note: All sectors are 64 Kbytes in size.
Autoselect Mode
The autoselect mode provides manufacturer and de-
vice identification, and sector group protection verifica-
tion, through identifier codes output on DQ7–DQ0.
This mode is primarily intended for programming
equipment to automatically match a device to be pro-
grammed with its corresponding programming algo-
rithm. However, the autoselect codes can also be
accessed in-system through the command register.
When using programming equipment, the autoselect
mode requires VID (11.5 V to 12.5 V) on address pin
A9. Address pins A6, A1, and A0 must be as shown in
Table 3. In addition, when verifying sector group pro-
tection, the sector group address must appear on the
appropriate highest order address bits (see Table 4 on
page 14). Table 3 also shows the remaining address
bits that are don’t care. When all necessary bits have
been set as required, the programming equipment
may then read the corresponding identifier code on
DQ7-DQ0.
To access the autoselect codes in-system, the host
system can issue the autoselect command via the
command register, as shown in Table 5 on page 19.
This method does not require VID on an address line.
Refer to the Autoselect Command Sequence section
for more information.
Table 3. Am29F032B Autoselect Codes
Note: Identifier codes for manufacturer and device IDs exhibit odd parity with DQ7 defined as the parity bit.
SA44
1
0
1
0
64K
2C0000h–2CFFFFh
SA45
1
0
1
0
1
64K
2D0000h–2DFFFFh
SA46
1
0
1
0
64K
2E0000h–2EFFFFh
SA47
1
0
1
64K
2F0000h–2FFFFFh
SA48
1
0
64K
300000h–30FFFFh
SA49
1
0
1
64K
310000h–31FFFFh
SA50
1
0
1
0
64K
320000h–32FFFFh
SA51
1
0
1
64K
330000h–33FFFFh
SA52
1
0
1
0
64K
340000h–34FFFFh
SA53
1
0
1
0
1
64K
350000h–35FFFFh
SA54
1
0
1
0
64K
360000h–36FFFFh
SA55
1
0
1
64K
370000h–37FFFFh
SA56
1
0
64K
380000h–38FFFFh
SA57
1
0
1
64K
390000h–39FFFFh
SA58
1
0
1
0
64K
3A0000h–3AFFFFh
SA59
1
0
1
64K
3B0000h–3BFFFFh
SA60
1
0
64K
3C0000h–3CFFFFh
SA61
1
0
1
64K
3D0000h–3DFFFFh
SA62
1
0
64K
3E0000h–3EFFFFh
SA63
1
64K
3F0000h–3FFFFFh
Table 2. Am29F032B Sector Address Table (Sheet 2 of 2)
Sector
A21
A20
A19
A18
A17
A16
Sector Size
Address Range
Description
A21-A18
A17-A10
A9
A8-A7
A6
A5-A2
A1
A0
Identifier Code on
DQ7-DQ0
Manufacturer ID: AMD
X
VID
X
VIL
X
VIL
01h
Device ID: Am29F032B
X
VID
X
VIL
X
VIL
VIH
41h
Sector Group Protection
Verification
Sector
Group
Address
X
VID
X
VIL
X
VIH
VIL
01h (protected)
00h (unprotected)
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