ICP DAS USA 7188XA Series User Manual page 74

ГК Атлант Инжиниринг – официальный представитель в РФ и СНГ
2.11.1 Definition of an I/O Expansion Bus
The I/O expansion bus of the 7188X/7521 series can be divided into 3
groups as follows:
1. Power supply & reset signals: VCC, GND, RESET, /RESET
2. , Parallel Bus:
•
System clock: CLOCKA
•
Asynchronous ready control: ARDY
•
Address bus: A0 ~ A6, A7 (7188XC & 7521 series without A7)
•
Data bus: D0 ~ D7
•
Interrupt control: INT0, INT1, INT4 (7188XC & 7521 series
without INT4)
•
Chip select & read/write strobe: /CS, /WR, /RD
3. Serial Bus: TO_0, TO_1, TI_0, TI_1, SCLK, DIO9, DIO4, DIO14
Refer to "I/O Expansion Bus for 7188X/7188E User' s Manual" for more information.
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru
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