Chapter 2
Register Map and Descriptions
6527 Register-Level Programmer Manual
2-2
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The following pages provide a description of each register. The register bit map shows a
diagram of the register with the most significant bit (MSB), bit 7, on the left and the least
significant bit (LSB), bit 0, on the right. Each bit is represented by a rectangle with the bit
name inside.
Change Notification Registers
Change Status
Master Interrupt Control
Port 0 Rising-Edge Detection Enable
Port 1 Rising-Edge Detection Enable
Port 2 Rising-Edge Detection Enable
Port 0 Falling-Edge Detection Enable
Port 1 Falling-Edge Detection Enable
Port 2 Falling-Edge Detection Enable
14
15
18
19
1A
20
21
22
Read-only
Read and write
Read and write
Read and write
Read and write
Read and write
Read and write
Read and write
8-bit
8-bit
8-bit
8-bit
8-bit
8-bit
8-bit
8-bit
Table 2-1.
6527 Register Address Map (Continued)
Register Name
Offset
(Hex)
Type
Size
