參數(shù)資料
型號: MC56603APV60
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 24-BIT, 60 MHz, OTHER DSP, PQFP144
封裝: PLASTIC, TQFP-144
文件頁數(shù): 42/97頁
文件大?。?/td> 1080K
代理商: MC56603APV60
DSP56603A
AC Electrical Characteristics
MOTOROLA
DSP56603A Technical Data Sheet
2-19
AC Electrical CharacteristicsHost Interface (HI08) Timing
(VCC = 3.0 V ±0.3 V; TA = 40 to 85C, CL = 70 pF + 2 TTL Loads)
Host Port Usage Considerations
Careful synchronization is required when reading multi-bit registers that are written
by another asynchronous system. This is a common problem when two
asynchronous systems are connected. The situation exists in the Host port. The
considerations for proper operation are discussed below.
1. Asynchronous Reading of Receive Byte RegistersWhen reading the
receive byte registers, RXH or RXL, the Host programmer should use
Figure 2-13
Synchronous Bus Timings SRAM 1 WS
WR
RD
Data Out
D0D23
CLKOUT
Data In
D0D23
A0A15,
MCS
AT
198
199
252
253
211
210
208
209
206
204
207
203
205
202
AA0377
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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