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参数资料
| 型号： | MX10EXAQI |
| 厂商： | MACRONIX INTERNATIONAL CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 30 MHz, MICROCONTROLLER, PQCC44 |
| 封装： | PLASTIC, LCC-44 |
| 文件页数： | 10/55页 |
| 文件大小： | 476K |
| 代理商： | MX10EXAQI |
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P/N:PM0625 Specifications subject to change without notice, contact your sales representatives for the most update information. REV. 1.0, JUL. 01, 2005
MX10EXA
In-Application Programming Method
Several Application Program Interface (API) calls are available for use by an application program to permit selective
erasing and programming of FLASH sectors. All calls are made through a common interface, PGM_MTP. The pro-
gramming functions are selected by setting up the microcontroller's registers before making a call to PGM_MTP at
FFFOH. Results are returned in the registers. The API calls are shown in Table 2.
Table 2. API calls
API CALL
PARAMETER
PROGRAM DATA BYTE
Input Parameters:
R0H
= 02h or 92h
R6
= address of byte to program
R4L
= byte to program
Return Parameter
R4L
= 00 if pass, non-zero if fail
ERASE BLOCK
Input Parameters:
R0H = 01h or 93h
R6H = block number in bits 7:5, bits 4:0 = "0"
block 0 : R6H = 00h
block 1 : R6H = 20h
block 2 : R6H = 40h
block 3 : R6H = 80h
block 4 : R6H = C0h
REL = 00h
Return Parameter
R4L = 00 if pass, non-zero if fail
ERASE BPC and
Input Parameters:
STATUS BYTE
ROH =04h
Return Parameter
R4L
=00 if pass, non-zero if fail
PROGRAM SECURITY
Input Parameters:
BIT
R0H
= 05h
R6H
= 00h
R6L
= 00h - security bit # 1 (inhibit writing to FLASH)
0lh - security bit # 2 (inhibit FLASH verify)
02h - security bit # 3 (disable external memory)
Return Parameter:none
PROGRAM STATUS
Input Parameters:
BYTE
R0H
= 60h
R6H
= 00h
R6L
= 00H- program status byte
R4L
= status byte
Return Parameter
R4L
= 00 if pass, non-zero if fail
Note : only two bits of status byte may be programmed at one time
PROGRAM BPC HIGH
Input Parameters:
BYTE
R0H
= 06h
R6H
= 00h
R6L
= 0lh - program BPC
R4L
= BPC[15:8] (BPC[7:0] unchanged)
Return Parameter
R4L = 00 if pass, non-zero if fail
Note : only two bits of BPC [15:8] may be programmed at one time
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