Data Exchange With The Cpu Unit - Omron C200H-ASC11 Manual

This section describes procedures for exchanging data between the ASCII Unit and the CPU Unit, the transfer sequence,
instruction/command timing, and the use of various interrupts.
6-1 Overview of Data Exchanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1-1 Data Exchange Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1-2 Sending Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2 Selecting the Data Exchange Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3 Details of the Data Exchange Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-1 Data Exchange Method No. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-2 Data Exchange Method No. 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-3 Data Exchange Method No. 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-4 Data Exchange Method No. 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-5 Data Exchange Method No. 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-6 Data Exchange Method No. 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-7 Data Exchange Method No. 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4 Data Exchange Time Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-1 PC READ/PC WRITE Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-2 PC READ@/PC WRITE@ Timing . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-3 PC PUT/PC GET Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-4 IOWR (#00
6-4-5 PC EPUT/PC EGET Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-6 IOWR (#FD00)/IORD (#FD00) and PC QREAD/PC QWRITE Timing
6-4-7 Combined IOWR (#00
EGET Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-8 Combined IOWR (#CC00), IORD (#00
EPUT Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-9 Sending Interrupts from CPU Unit to ASCII Unit: PC Interrupts . .
6-5 IOWR/IORD Instruction Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-5-1 IOWR Instruction (SPECIAL I/O UNIT WRITE) . . . . . . . . . . . . . .
6-5-2 IORD Instruction (SPECIAL I/O UNIT READ) . . . . . . . . . . . . . . .
6-5-3 Using the IOWR and IORD Instructions . . . . . . . . . . . . . . . . . . . . .
6-6 Restrictions for CS1-series PCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-6-1 Using the Sync Time Set Bit for CS1-series PCs . . . . . . . . . . . . . . .

Data Exchange with the CPU Unit

) /IORD (#00 ) Timing . . . . . . . . . . . . . . . . . . . .
@ @ @ @
) , IOWR (#CC00), ON PC GOSUB, and PC
@ @
) , ON PC GOSUB, and PC
@ @
SECTION 6
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