Intel cPCI-7200 Manual do Utilizador descarregar pdf (Página 29)

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3.1 I/O Registers Format

The PCI-7200 occupies 8 consecutive 32-bit I/O addresses in the PC I/O

address space. The cPCI-7200 occupies 9 consecutive 32-bit I/O addresses.

Table 4.1 shows the I/O Map

Address Read Write

Base + 0 Counter 0 Counter 0

Base + 4 Counter 1 Counter 1

Base + 8 Counter 2 Counter 2

Base + C --- CLK Control CW0

Base + 10 Digital Input Reg. ---

Base + 14

Digital Output

(Read-back)

Digital Output Reg.

Base + 18 DIO Status & Control DIO Status &Control

Base + 1C INT Status & Control INT Status & Control

Base + 20

(cPCI-7200

only)

AUXDIO Reg. AUXDO Reg.

Note:

(1) I/O port is 32-bits wide

(2) 8-bit or 16-bit I/O access is not allowed

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Intel cPCI-7200 Manual do Utilizador Página 29