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Z86C30 Datasheet(PDF) 39 Page - Zilog, Inc.

Part # Z86C30
Description  General-Purpose Register File. Flexible I/O. Analog Inputs
PDF  348 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z86C30 Datasheet(HTML) 39 Page - Zilog, Inc.

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Z8 CPU
User Manual
UM001602-0904
Address Space
21
Please refer to the specific product specification to determine the above
registers are implemented.
Z8 Control and Peripheral Registers
Standard Z8 Registers
The standard Z8 control registers govern the operation of the CPU. Any
instruction which references the register file can access these control reg-
isters. Available control registers are:
• Interrupt Priority Register (IPR)
• Interrupt Mask Register (IMR)
• Interrupt Request Register (IRQ)
• Program Control Flags (FLAGS)
• Register Pointer (RP)
• Stack Pointer High-Byte (SPH)
• Stack Pointer Low-Byte (SPL)
4h
Not implemented (reserved)
3h
Not implemented (reserved)
2h
Not implemented (reserved)
1h
Not implemented (reserved)
0h
Z8 Ports 0, 1, 2, 3, and General-Purpose
Registers 04h to EFh, and control
registers F0h to FFh.
Table 7. Z8 Expanded Register File Bank Layout
Expanded Register
File Bank
ERF



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