Z86C9216VSC View Datasheet(PDF) - Zilog

Part Name

Description

MFG CO.

Z86C9216VSC

IR MICROCONTROLLER

Zilog 

Z86C72/C92/L72/L92

IR Microcontroller

Zilog

R250 IRQ

D7 D6 D5 D4 D3 D2 D1 D0

Default Setting After Reset = 0000 0000

IRQ0 = P32 Input

IRQ1 = P33 Input

IRQ2 = P31 Input

IRQ3 = T16

IRQ4 = T8

Reserved (Must be 0)

Inter Edge

P31 ↓ P32 ↓ = 00

P31 ↓ P32 ↑ = 01

P31 ↑ P32 ↓ = 10

P31 ↑↓ P32 ↑↓ = 11

Figure 56. Interrupt Request Register

((0) FAH: Read/Write)

R253 RP

D7 D6 D5 D4 D3 D2 D1 D0

Default Setting After

Reset = 0000 0000

Expanded Register Bank

Pointer

Working Register

Pointer

Figure 59. Register Pointer

((0) FDH: Read/Write)

R254 SPH

D7 D6 D5 D4 D3 D2 D1 D0

Stack Pointer Upper

Byte (SP15-SP8)

R251 IMR

D7 D6 D5 D4 D3 D2 D1 D0

* Default Setting After Reset

1 Enables IRQ4-IRQ0

(D0 = IRQ0)

Reserved (Must be 0)

Reserved (Must be 0)

0 Master Interrupt Disable*

1 Master Interrupt Enable

Figure 60. Stack Pointer High

((0) FEH: Read/Write)

R255 SPL

D7 D6 D5 D4 D3 D2 D1 D0

Stack Pointer Lower

Byte (SP7-SP0)

Figure 57. Interrupt Mask Register

((0) FBH: Read/Write)

R252 Flags

D7 D6 D5 D4 D3 D2 D1 D0

User Flag F1

User Flag F2

Half Carry Flag

Decimal Adjust Flag

Overflow Tag

Sign Flag

Zero Flag

Carry Flag

Figure 61. Stack Pointer Low

((0) FFH: Read/Write)

Figure 58. Flag Register

((0) FCH: Read/Write)

6-68

PRELIMINARY

DS97LVO0900

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