Z8F011ASH020EG2156 ZiLOG, Z8F011ASH020EG2156 Datasheet - Page 181
Z8F011ASH020EG2156
Manufacturer Part Number
Z8F011ASH020EG2156
Description
8-bit Microcontrollers - MCU 1K FLASH 256B RAM 16B NVDS
Manufacturer
ZiLOG
Datasheet
1.Z8F011AHJ020EG2156.pdf
(257 pages)
Specifications of Z8F011ASH020EG2156
Rohs
yes
Core
eZ8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
1 KB
Data Ram Size
256 B
On-chip Adc
No
Package / Case
SOIC-20
Mounting Style
SMD/SMT
Interface Type
UART
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
17
Number Of Timers
2
Program Memory Type
Flash
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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PS025113-1212
Assembly Language Syntax
Assembly Language Code
Object Code
Assembly Language Source Program Example
For proper instruction execution, eZ8 CPU assembly language syntax requires that the
operands be written as destination, source. After assembly, the object code usually reflects
the operands in the order source, destination, but ordering is op code-dependent.
The following examples illustrate the format of some basic assembly instructions and the
resulting object code produced by the assembler. This binary format must be followed by
users that prefer manual program coding or intend to implement their own assembler.
Example 1
If the contents of registers
assembly syntax and resulting object code is:
JP START
START:
LD R4, R7
LD 234H, #%01
Table 101. Assembly Language Syntax Example 1
; Everything after the semicolon is a comment.
; A label called “START”. The first instruction (JP START) in this
; example causes program execution to jump to the point within the
; program where the START label occurs.
; A Load (LD) instruction with two operands. The first operand,
; Working register R4, is the destination. The second operand,
; Working register R7, is the source. The contents of R7 is
; written into R4.
; Another Load (LD) instruction with two operands.
; The first operand, extended mode register Address 234H,
; identifies the destination. The second operand, immediate data
; value 01H, is the source. The value 01H is written into the
; register at address 234H.
43H
and
ADD
04
08H
43H,
are added and the result is stored in
08
08H
43
(ADD dst, src)
(OPC src, dst)
Z8 Encore!
Assembly Language Syntax
Product Specification
®
F0830 Series
43H
, the
163
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