参数资料
型号: DSP56F827FG80E
厂商: Freescale Semiconductor
文件页数: 20/60页
文件大小: 0K
描述: IC HYBRID CTRLR 16BIT 128-LQFP
标准包装: 72
系列: 56F8xx
核心处理器: 56800
芯体尺寸: 16-位
速度: 80MHz
连通性: EBI/EMI,SCI,SPI,SSI
外围设备: POR,PWM,WDT
输入/输出数: 64
程序存储器容量: 136KB(68K x 16)
程序存储器类型: 闪存
RAM 容量: 5K x 16
电压 - 电源 (Vcc/Vdd): 2.25 V ~ 2.75 V
数据转换器: A/D 10x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 128-LQFP
包装: 托盘
Flash Memory Characteristics
56F827 Technical Data, Rev. 12
Freescale Semiconductor
27
Figure 3-5 Signal States
3.5 Flash Memory Characteristics
Table 3-5 Flash Memory Truth Table
Mode
XE1
1. X address enable, all rows are disabled when XE = 0
YE2
2. Y address enable, YMUX is disabled when YE = 0
SE3
3. Sense amplifier enable
OE4
4. Output enable, tri-state Flash data out bus when OE = 0
PROG5
5. Defines program cycle
ERASE6
6. Defines erase cycle
MAS17
7. Defines mass erase cycle, erase whole block
NVSTR8
8. Defines non-volatile store cycle
Standby
L
Read
H
HHH
L
Word Program
H
L
H
L
H
Page Erase
H
L
H
L
H
Mass Erase
H
L
H
Table 3-6 IFREN Truth Table
Mode
IFREN = 1
IFREN = 0
Read
Read information block
Read main memory block
Word program
Program information block
Program main memory block
Page erase
Erase information block
Erase main memory block
Mass erase
Erase both block
Erase main memory block
Data Invalid State
Data1
Data2 Valid
Data
Tri-stated
Data3 Valid
Data2
Data3
Data1 Valid
Data Active
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