参数资料
型号: DSP56858FVE
厂商: Freescale Semiconductor
文件页数: 64/64页
文件大小: 0K
描述: IC DSP 16BIT 120MHZ 144-LQFP
标准包装: 60
系列: 568xx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 120MHz
连通性: EBI/EMI,SCI,SPI,SSI
外围设备: DMA,POR,WDT
输入/输出数: 47
程序存储器容量: 80KB(40K x 16)
程序存储器类型: SRAM
RAM 容量: 24K x 16
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 1.98 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 144-LQFP
包装: 托盘
Introduction
56858 Technical Data, Rev. 6
Freescale Semiconductor
9
Part 3 Signals and Package Information
All digital inputs have a weak internal pull-up circuit associated with them. These pull-up circuits are
enabled by default. Exceptions:
1. When a pin has GPIO functionality, the pull-up may be disabled under software control.
2. MODE A, MODE B and MODE C pins have no pull-up.
3. TCK has a weak pull-down circuit always active.
4. Bidirectional I/O pullups automatically disable when the output is enabled.
This table is presented consistently with the Signals Identified by Functional Group figure.
1. BOLD entries in the Type column represents the state of the pin just out of reset.
2. Output(Z) means an output in a High-Z condition.
Table 3-1 56858 Signal and Package Information for the 144-pin LQFP and MAPBGA
Signal
Name
BGA
Pin No.
LQFP
Pin No.
Type
Description
VDD
E1
14
VDD
Logic Power (VDD)—These pins provide power to the internal
structures of the chip, and should all be attached to VDD.
VDD
M6
36
VDD
F12
52
VDD
A9
72
VDD
M2
87
VDD
J12
88
VDD
E12
109
VDD
A12
125
VSS
G1
15
VSS
Logic Power–Ground (VSS)—These pins provide grounding for the
internal structures of the chip and should all be attached to VSS.
VSS
L6
16
VSS
D12
53
VSS
A7
54
VSS
F1
71
VSS
M7
89
VSS
K12
126
VSS
A8
127
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