Z86E3412PEC View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z86E3412PEC

CMOS Z8® OTP Microcontrollers

Zilog 

CMOS Z8® OTP Microcontrollers

Product Specification

50

r7 r6 r5 r4

r3 r2 r1 r0

R232

(Register Pointer)

This upper nibble of the register file addresses

provided by the register pointer specifies

the active working-register group.

FF

F0

EF

80

7F

70

6F

60

5F

50

4F

40

3F

Specified Working

30

Register Group

2F

20

1F

Register Group 1

10

0F

Register Group 0

I/O Ports

00

The lower nibble

of the register

file addresses

provided by the

instruction points

to the specified

register.

R15 to R0

R15 to R4

R3 to R0

* Expanded Register Group (0) is selected

in this figure by handling bits D3 to D0

as “0” in Register R253 (RP).

Figure 25. Register Pointer

PS022901-0508

Electrical Characteristics

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