Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 166
Z8F041APH020SG2156
Manufacturer Part Number
Z8F041APH020SG2156
Description
8-bit Microcontrollers - MCU 4K FLASH 1K RAM 128B NVDS
Manufacturer
ZiLOG
Datasheet
1.Z8F082ASJ020EG2156.pdf
(282 pages)
Specifications of Z8F041APH020SG2156
Rohs
yes
Core
eZ8
Processor Series
Z8F041xx
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
4 KB
Data Ram Size
1 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
PDIP-20
Mounting Style
Through Hole
A/d Bit Size
10 bit
A/d Channels Available
8
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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PS022827-1212
Caution:
Flash Operation Timing Using the Flash Frequency Registers
Flash Code Protection Against External Access
Flash Code Protection Against Accidental Program and
Erasure
Before performing either a program or erase operation on Flash memory, you must first
configure the Flash Frequency High and Low Byte registers. The Flash Frequency regis-
ters allow programming and erasing of the Flash with system clock frequencies ranging
from 32 kHz (32768 Hz) through 20 MHz.
The Flash Frequency High and Low Byte registers combine to form a 16-bit value,
FFREQ, to control timing for Flash program and erase operations. The 16-bit binary Flash
Frequency value must contain the system clock frequency (in kHz). This value is calcu-
lated using the following equation:
The user code contained within the Flash memory can be protected against external access
by the on-chip debugger. Programming the FRP Flash option bit prevents reading of the
user code with the On-Chip Debugger. See the
the
The Z8 Encore! XP F082A Series provides several levels of protection against accidental
program and erasure of the Flash memory contents. This protection is provided by a com-
bination of the Flash option bits, the register locking mechanism, the page select redun-
dancy and the sector level protection control of the Flash Controller.
Flash Code Protection Using the Flash Option Bits
The FRP and FWP Flash option bits combine to provide three levels of Flash Program
Memory protection, as shown in Table 79. See the
for more information.
FFREQ[15:0]
Flash programming and erasure are not supported for system clock frequencies below
32 kHz (32768 Hz) or above 20 MHz. The Flash Frequency High and Low Byte registers
must be loaded with the correct value to ensure operation of the Z8 Encore! XP F082A
Series devices.
On-Chip Debugger
=
System Clock Frequency (Hz)
----------------------------------------------------------------- -
chapter on page 180 for more information.
P R E L I M I N A R Y
1000
Flash Option Bits
Flash Option Bits
Z8 Encore! XP
Product Specification
chapter on page 159 and
chapter on page 159
®
F082A Series
Operation
149
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