Z8F022APB020SG Zilog, Z8F022APB020SG Datasheet - Page 120
Z8F022APB020SG
Manufacturer Part Number
Z8F022APB020SG
Description
IC ENCORE XP MCU FLASH 2K 8DIP
Manufacturer
Zilog
Series
Encore!® XP®r
Datasheet
1.Z8F08200100KIT.pdf
(264 pages)
Specifications of Z8F022APB020SG
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
6
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 4x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-DIP (0.300", 7.62mm)
Processor Series
Z8F022Ax
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
512 KB
Interface Type
UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Development Tools By Supplier
Z8F04A08100KITG, Z8F04A28100KITG, ZENETSC0100ZACG, ZENETSC0100ZACG, ZUSBOPTSC01ZACG, ZUSBSC00100ZAC, ZUSBSC00100ZACG
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4089
Z8F022APB020SG
Z8F022APB020SG
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Table 61. UART Baud Rates
PS022517-0508
10.0 MHz System Clock
Desired
Rate
(kHz)
1250.0
625.0
250.0
115.2
57.6
38.4
19.2
9.60
4.80
2.40
1.20
0.60
0.30
BRG
Divisor
(Decimal)
For a given UART data rate, the integer baud rate divisor value is calculated using the
following equation:
The baud rate error relative to the desired baud rate is calculated using the following
equation:
For reliable communication, the UART baud rate error must never exceed 5 percent.
Table 61
used crystal oscillator frequencies.
UART Baud Rate Divisor Value (BRG)
UART Baud Rate Error (%)
1042
2083
N/A
130
260
521
16
33
65
11
1
3
5
provides information on data rate errors for popular baud rates and commonly
Actual Rate Error
(kHz)
208.33
625.0
125.0
56.8
39.1
18.9
9.62
4.81
2.40
1.20
0.60
0.30
N/A
(%)
-16.67
-1.36
-0.03
-0.03
-0.03
0.00
8.51
1.73
0.16
0.16
0.16
N/A
0.2
=
100x
5.5296 MHz System Clock
Desired
Rate
(kHz)
⎛
⎝
Actual Data Rate Desired Data Rate
--------------------------------------------------------------------------------------------------- -
=
1250.0
625.0
250.0
115.2
57.6
38.4
19.2
9.60
4.80
2.40
1.20
0.60
0.30
Round
Universal Asynchronous Receiver/Transmitter
Desired Data Rate
⎛
⎝
System Clock Frequency (Hz)
------------------------------------------------------------------------------ -
BRG
Divisor
(Decimal)
16xUART Data Rate (bits/s)
1152
Z8 Encore! XP
N/A
N/A
144
288
576
18
36
72
–
1
3
6
9
Product Specification
Actual Rate Error
(kHz)
345.6
115.2
57.6
38.4
19.2
9.60
4.80
2.40
1.20
0.60
0.30
N/A
N/A
®
F0822 Series
⎞
⎠
(%)
38.24
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
N/A
N/A
⎞
⎠
107
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