Zilog Z8F0130 - Manual (Page 34)

eZ8
™
CPU Core
User Manual
UM012820-0810 Address Space
19
Register Page using 4-bit addressing mode. Figure 3 on page 19 displays
the organization of the Register File. Attempts to read unavailable
Register File addresses return an undefined value. Attempts to write to
unavailable Register File addresses produce no effect.
Figure 3. Register File Organization
0
16
256B Pages
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
16
16B Working Register
Groups Per Page
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
000h
FFFh
4096B
Linear Addressable
Register File
16
Working Registers
Per Group
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F