Z8F022ASJ020SC Zilog, Z8F022ASJ020SC Datasheet - Page 183
Z8F022ASJ020SC
Manufacturer Part Number
Z8F022ASJ020SC
Description
IC ENCORE XP MCU FLASH 2K 28SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F022ASJ020SC
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
IrDA, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
Number Of I /o
23
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3355
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F022ASJ020SC
Manufacturer:
Zilog
Quantity:
372
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PS022825-0908
Table 104. NVDS Read Time (Continued)
If NVDS read performance is critical to your software architecture, there are some things
you can do to optimize your code for speed, listed in order from most helpful to least
helpful:
Operation
Read (128 byte array)
Write (16 byte array)
Write (64 byte array)
Write (128 byte array)
Illegal Read
Illegal Write
•
•
Periodically refresh all addresses that are used. The optimal use of NVDS in terms of
speed is to rotate the writes evenly among all addresses planned to use, bringing all
reads closer to the minimum read time. Because the minimum read time is much less
than the write time, however, actual speed benefits are not always realized.
Use as few unique addresses as possible: this helps to optimize the impact of
refreshing as well as minimize the requirement for it.
Minimum
Latency
4973
4971
4984
883
43
31
Maximum
Latency
7609
5009
5013
5023
31
43
Z8 Encore! XP
Product Specification
Non-Volatile Data Storage
®
F082A Series
172
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