T25S16AFEPR datasheet(15/74 Pages) HMSEMI

15 / 74 page

5.2.4 JEDEC SFDP Basic SPI Flash Parameter

Table 5.4 Basic SPI Flash Parameter, JEDEC SFDP Rev B (Sheet 1 of 5)

SFDP

Parameter

Relative

Byte

Address

SFDP Dword

Name

Data

Description

30h

JEDEC

Basic Flash

Parameter

Dword-1

E5h

Start of SFDP JEDEC parameter

Bits 7:5 = unused = 111b

Bit 4:3 = 05h is volatile status register write instruction and status register is

default non-volatile= 00b

Bit 2 = Program Buffer > 64 bytes = 1

Bits 1:0 = Uniform 4-kB erase is supported throughout the device = 01b

31h

20h

Bits 15:8 = Uniform 4-kB erase instruction = 20h

32h

F1h

Bit 23 = Unused = 1b

Bit 22 = Supports QOR Read (1-1-4), Yes = 1b

Bit 21 = Supports QIO Read (1-4-4),Yes =1b

Bit 20 = Supports DIO Read (1-2-2), Yes = 1b

Bit19 = Supports DDR, No= 0 b

Bit 18:17 = Number of Address Bytes 3 only = 00b

Bit 16 = Supports SIO and DIO Yes = 1b

Binary Field: 1-1-1-1-0-00-1

Nibble Format: 1111_0001

Hex Format: F1

33h

FFh

Bits 31:24 = Unused = FFh

34h

JEDEC

Basic Flash

Parameter

Dword-2

FFh

Density in bits, zero based,

32 Mb = 01FFFFFFh

64 Mb = 03FFFFFFh

128 Mb = 07FFFFFFh

35h

FFh

36h

FFh

37h

07h

38h

JEDEC

Basic Flash

Parameter

Dword-3

44h

Bits 7:5 = number of QIO (1-4-4)Mode cycles = 010b

Bits 4:0 = number of Fast Read QIO Dummy cycles = 00100b for default

latency code

39h

EBh

Fast Read QIO (1-4-4)instruction code

3Ah

08h

Bits 23:21 = number of Quad Out (1-1-4) Mode cycles = 000b

Bits 20:16 = number of Quad Out Dummy cycles = 01000b for default latency

code

3Bh

6Bh

Quad Out (1-1-4)instruction code

3Ch

JEDEC

Basic Flash

Parameter

Dword-4

08h

Bits 7:5 = number of Dual Out (1-1-2)Mode cycles = 000b

Bits 4:0 = number of Dual Out Dummy cycles = 01000b for default latency code

3Dh

3Bh

Dual Out (1-1-2) instruction code

3Eh

80h

Bits 23:21 = number of Dual I/O Mode cycles = 100b

Bits 20:16 = number of Dual I/O Dummy cycles = 00000b for default latency

code

3Fh

BBh

Dual I/O instruction code

40h

JEDEC

Basic Flash

Parameter

Dword-5

FEh

Bits 7:5 RFU = 111b

Bit 4 = QPI (4-4-4) fast read commands supported = 1b

Bits 3:1 RFU = 111b

Bit 0 = Dual All not supported = 0b

41h

FFh

Bits 15:8 = RFU = FFh

42h

FFh

Bits 23:16 = RFU = FFh

43h

FFh

Bits 31:24 = RFU = FFh

44h

JEDEC

Basic Flash

Parameter

Dword-6

FFh

Bits 7:0 = RFU = FFh

45h

FFh

Bits 15:8 = RFU = FFh

46h

FFh

Bits 23:21 = number of Dual All Mode cycles = 111b

Bits 20:16 = number of Dual All Dummy cycles = 11111b

47h

FFh

Dual All instruction code

HM25Q128A

T25S16AFEPR Scheda tecnica(PDF) 15 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

T25S16AFEPR Scheda tecnica(HTML) 15 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74

Scheda tecnica Scarica

Link URL