Z86E4016KSC データシートの表示（PDF） - Zilog

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Z86E4016KSC

Z8 4K OTP MICROCONTROLLER

Zilog 

Zilog

Z86E30/E31/E40

Z8 4K OTP Microcontroller

1

r7 r6 r5 r4

r3 r2 r1 r0

R253

(Register Pointer)

The upper nibble of the register file address

provided by the register pointer specifies

the active working-register group.

FF

Register Group F

F0

EF

80

7F

Note: Registers 80H

through EFH are

available in the Z86C30

only.

70

6F

60

5F

50

4F

40

3F

Specified Working

Register Group

30

2F

20

1F

Register Group 1

10

0F

Register Group 0

The lower nibble

of the register

file address

provided by the

instruction points

to the specified

register.

R15 to R0

R15 to R4*

00

I/O Ports

* Expanded Register Group (0) is selected

in this figure by handling bits D3 to D0 as

"0" in Register R253 (RP).

R3 to R0*

Figure 25. Register Pointer

DS97Z8X0500

PRELIMINARY

35

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