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PROM9401 revision history:
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V1.01 -- 4/22/94  Sample release
V1.02 -- 4/26/94  Change burn-in key-depress operation.
V1.03 -- 4/30/94  Add MX28F4000, modify MX28F1000 erase procedure.
V1.04 -- 5/13/94  correct the philip's 87C51 write timing (P2.7 tEHSH)
                            correct the upload error on some 486 PC. (Slow Tx speed)
V1.05 -- 6/1/94   Add W27F256.
V1.06 -- 7/05/94  Add M5M28F101P, the same algorithm as i28F010.
V1.07 -- 9/18/94  Change i27256 and i27512 Vpp to 12.75V.
                            Add W27F010.
                            Correct the W27F256 download.
                            Correct the EPROM not blank message when downloading on the
                            version V1.05 and V1.06
V1.08 -- 10/21/94 Add ATMEL 89C52
V1.09 -- 03/05/95 Add SST 28SF040, new name 29EE010.
V1.0A -- 03/15/95 1. Add Atmel 89C2051.
                              2. Change the display message "12V" of the 29F010 to "12V/5V".
                              3. Correcting the "CASE..ENDCASE" useage, it will cause
                                  problem on downloading and writing of 8751H/8744H/8753H
                                  by its iAlgoritms value is set to 0.
                              4. Correcting the page size of the AT29C010, or else there is
                                  a "copy fail" problem.
                              5. Add atmel AT29C512 and AT29C020.
                              6. Add Dallas 87C520.
                              7. Add atmel AT27C/LV010, AT27C/LV040.
V1.0B -- 05/18/95 1. Add 29F040.
                              2. Add 28SF040 code $A5 to make the SST28SF? works
                                  so the FORCE and TransferWrite will do the Pro/Unprotect
                              3. Add Atmel 89C1051
V1.0C -- 06/28/95 1. Add MX28F1000P, use the same algorithm as MX28F1000.
                              2. Change the protect sector Twpp of the Am29Fxxx to 100uS.
                              3. correst the bug of the stack error caused by
                                  depress invalid keys during the protect sector settings.
                              4. Add MEGA BL1988
                              5. Add MX28F200P, S29EE020
                              6. Rename W27Fxxx to W27F/Exxx. Raise erase voltage to 12.75V
                                 (But it should be 14.00V according to the spec.)
(Release on date 04/22/96)
V1.0D -- 07/29/96 1. Add AT29C040
                              2. The Download for Atmel/SST series was supported.
                              3. This series will not be erased on the slave device before
                                  writing, so it might cause different checksum value between
                                  DOWNLOAD and CHECKSUM command when the transfer data size
                                  is smaller than the size of the device. In Download, only
                                 the transfered data is verified for checksum value.
                              4. This series has its own download_transfer_page and download
                                   _verify routine.
(Release on one date before 11/20/96.)
V1.0E -- 12/11/96 1. Add AT89C55.
                              2. Add I28F001BX-T and I28F001BX-B(this one not test).
(Release on date 01/13/97.)
V1.0F -- 01/21/97 1. Add W29C020.
V1.0G -- 08/04/97 1. Do not check the AM29F010/040's device_code anymore.
(Release on date 08/04/97.)
V1.0H -- 04/06/98 1. Add MX26C512A, MX26C1000A.
(Release on date 04/08/98.)
V1.0I -- 06/10/98  1. Modify SST28SF040 erase procedure.
(Release on date 06/10/98.)
V1.0J -- 23Aug98 1. Add W27F/E512.
(Release on date 23Aug98.)
Software Updates

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