Datasheet > A3525AC21O22R

A3525AC21O22R

更新时间： 2022-12-14 18:11:17

品牌	Logo	应用领域
艾迈斯 - AMSCO		/
页数	文件大小	规格书
194页	3286K
描述
Advanced Audio Processor System

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数据手册

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A3525AC21O22R 数据手册

AS3525-A/-B C22O22

Data Sheet, Confidential

8.4.1.7 D IO ST PU LSR

8.4.1.8 D IO ST PD LSR

Figure 71 Digital Schmitt Trigger Input with Pull-Up and Limited

Slew Rate Output

Figure 72 Digital Schmitt Trigger Input with Pull-Down and Limited

Slew Rate Output

Schmitt

PAD

8.4.1.9 D OUT LSR LV

8.4.1.10 D IO ST PD LSR LV

Figure 73 Digital Output with Limited Slew Rate (low voltage)

Figure 74 Digital Schmitt Trigger Input with Pull-Down and Limited

Slew Rate Output (low voltage)

PAD

Schmitt

PAD

Appendix

9.1 Memory MAP

ARM922T provides 32-bit address to access the peripherals and memory. With this 32-bit address ARM922T can access up to 4 Giga Bytes of

memory. Cocoa does not use the complete 4 GB address space.

Address 0x0000_0000 is mapped to internal ROM or External Memory interface based on the boot ROM selection by the external input pin

(Port C, xpc[0] = intBootSel) Pin intBootSel=1 at startup selects the internal ROM, intBootSel = 0 selects the external memory.

The address range starting at 0x0000_0000 is also mapped to internal RAM upon setting of the remap bit. This remap allows the user to select

either RAM or ROM at 0x0000_0000.

Table 163 Address Map

S.No

Start (Base)

Address

End Address

Actual

Peripheral

Comment

Block Size

AHB Blocks

0x0000_0000

0x0001_FFFF

0x003F_FFFF

128 KByte

4 MB

Internal ROM

Remap = 0 and

IntBootSel = 1

Remap = 0 and

IntBootSel = 0

0x0000_0000

External Memory IF

(MPMC Bank1 – Ext

Flash or Ext ROM)

Embedded 1T-RAM

Reserved

External Memory IF

(MPMC Bank1 – Ext

Flash or Ext ROM)

0x0000_0000

0x0100_0000

0x1000_0000

0x0004_FFFF

0x0FFF_FFFF

0x103F_FFFF

320 KByte

4 MB

Remap = 1

Aliased

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