參數(shù)資料
型號(hào): SAB82525N
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 4M bps, MULTI PROTOCOL CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 68/126頁
文件大小: 730K
代理商: SAB82525N
Semiconductor Group
46
SAB 82525
SAB 82526
SAF 82525
SAF 82526
The circuit mentioned above results in a slower data transfer with the HSCX. HSCX usually
performs block transfers. The block length is up to 32 bytes. The DMA request line of the IC
remains active as long as more data are needed. Having transmitted the last byte the DMA
request is being reset. Using the additional circuit the DMA request line will be active at least
shortly before T4. So the next DMA cycle will be started four (instead of two) clock cycles later.
Therefore the maximum transmission rate is reduced from 1.25 Mbyte/s to 1.04 Mbyte/s (clock
rate: 12.5 MHz).
For more information refer to chapter 7.2 (Data Transmission: DMA Mode), chapter 7.3 (Data
Reception: DMA mode), and Appendix C (Application Example HSCX with 80(C)188 using
DMA).
ITD02700
T1
T2
T3
T4
T1
T2
T3
T4
t
DRHSYS
t
CLCSV
t
CHCSX
CLOCKOUT
DRQTx
RD
(Memory)
CS
(FIFO)
WR
(FIFO)
t
DRHSYS max = T2 + T3
-
t
CVCTV + t CHCSX
f
CLKOUT
t
CLCL
t
CVCTV
t
CHCSX
t
DRHSYS max
8 MHz
125 ns
56 ns
5 ns
261ns
ns
158
ns
5
ns
47
ns
80
MHz
12.5
ns
130
ns
5
ns
31
ns
62.5
MHz
16
T4/2
+
DRQ
CVCTV
t
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAB82525N-V2.1 制造商:Siemens 功能描述:82525N-V2.1
SAB82525NV2.1GHSCX 制造商:Infineon Technologies AG 功能描述:
SAB82525N-V2.1GHSCX 制造商:Infineon Technologies AG 功能描述:
SAB82525NV2.1HSCX 制造商:Rochester Electronics LLC 功能描述:- Bulk
SAB82525NV2.2 功能描述:輸入/輸出控制器接口集成電路 T/E RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray