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M58MR032C 数据表(PDF) 28 Page - STMicroelectronics |
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M58MR032C 数据表(HTML) 28 Page - STMicroelectronics |
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28 / 52 page ![]() M58MR032C, M58MR032D 28/52 Table 22. Burst Read Information Table 23. Security Code Area Offset Data Description Value (P)+13h = 48h 0003h Page-mode read capability bits 0-7 ’n’ such that 2n HEX value represents the number of read- page bytes. See offset 28h for device word width to determine page-mode data output width. 00h indicates no read page buffer. 8 Byte (P+14)h = 49h 0003h Number of synchronous mode read configuration fields that follow. 00h indicates no burst capability. 3 (P+15)h = 4Ah 0001h Synchronous mode read capability configuration 1 bit 3-7 Reserved bit 0-2 ’n’ such that 2n+1 HEX value represents the maximum number of continuous synchronous reads when the device is configured for its maximum word width. A value of 07h indicates that the device is capable of continuous linear bursts that will output data until the internal burst counter reaches the end of the device’s burstable address space. This field’s 3-bit value can be written directly to the read configuration register bit 0-2 if the device is configured for its maximum word width. See offset 28h for word width to determine the burst data output width. 4 (P+16)h = 4Bh 0002h Synchronous mode read capability configuration 2 8 (P+17)h = 4Ch 0007h Synchronous mode read capability configuration 3 Cont. (P+18)h = 4Dh 0028h Max operating clock frequency (MHz) 40 MHz (P+19)h = 4Eh 0001h Supported handshaking signal (WAIT pin) bit 0 during synchronous read (1 = Yes, 0 = No) bit 1 during asynchronous read (1 = Yes, 0 = No) Yes No Offset Data Description 80h 0000-0000-0000-0XX0 Lock Protection Register 81h XXXX 64 bits: unique device number 82h XXXX 83h XXXX 84h XXXX 85h XXXX 64 bits: User Programmable OTP 86h XXXX 87h XXXX 88h XXXX |
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