Z8F011ASH020EG2156 ZiLOG, Z8F011ASH020EG2156 Datasheet - Page 130
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
Operation
Flash information area is mapped into program memory and overlays the 128 bytes in the
address range
from these program memory addresses return the information area data rather than the
program memory data. Access to the Flash information area is read-only.
The trim bits are handled differently than the other Zilog Flash option bits. The trim bits
are the hybrid of the user option bits and the standard Zilog option bits. These trim bits
must be user-accessible for reading at all times using external registers regardless of the
state of bit 7 in the Flash Page Select Register. Writes to the trim space change the value of
the Option Bit Holding Register but do not affect the Flash bits, which remain as read-
only.
The Flash Controller programs and erases Flash memory. The Flash Controller provides
the proper Flash controls and timing for byte programming, page erase and mass erase of
Flash memory.
The Flash Controller contains several protection mechanisms to prevent accidental pro-
gramming or erasure. These mechanism operate on the page, sector and full-memory lev-
els.
The flowchart in Figure 19 display basic Flash Controller operation. The following sub-
sections provide details about the various operations (Lock, Unlock, Byte Programming,
Page Protect, Page Unprotect, Page Select Page Erase and Mass Erase) displayed in
Figure 19.
Program Memory
Address (Hex)
FE00–FE3F
FE40–FE53
FE54–FE5F
FE60–FE7F
FE00H
Table 70. Z8F083 Flash Memory Area Map
to
FE7FH
Function
Zilog option bits
Part number
20-character ASCII alphanumeric code
Left justified and filled with FH
Reserved
Reserved
. When the information area access is enabled, all reads
Z8 Encore!
Product Specification
®
F0830 Series
Operation
112
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