DSP56F826 查看數據表（PDF） - Motorola => Freescale

零件编号

产品描述 (功能)

生产厂家

DSP56F826

16-bit Hybrid Controller

Motorola => Freescale 

Freescale Semiconductor, Inc.

Flash Memory Characteristics

Data1 Valid

Data1

Data2 Valid

Data2

Data Invalid State

Data Active

Data

Tri-stated

Figure 7. Signal States

Data3 Valid

Data3

Data Active

3.5 Flash Memory Characteristics

Table 8. Flash Memory Truth Table

Mode

XE1 YE2 SE3 OE4

PROG5

ERASE6 MAS17 NVSTR8

Standby

L

L

L

L

L

Read

H

H

H

H

L

Word Program

H

H

L

L

H

Page Erase

H

L

L

L

L

Mass Erase

H

L

L

L

L

1. X address enable, all rows are disabled when XE = 0

2. Y address enable, YMUX is disabled when YE = 0

3. Sense amplifier enable

4. Output enable, tri-state Flash data out bus when OE = 0

5. Defines program cycle

6. Defines erase cycle

7. Defines mass erase cycle, erase whole block

8. Defines non-volatile store cycle

L

L

L

L

L

L

L

L

H

H

L

H

H

H

H

Table 9. IFREN Truth Table

Mode

IFREN = 1

IFREN = 0

Read

Word program

Page erase

Mass erase

Read information block

Program information block

Erase information block

Erase both block

Read main memory block

Program main memory block

Erase main memory block

Erase main memory block

56F826 Technical Data

21

For More Information On This Product,

Go to: www.freescale.com

Share Link: