Z8F042AHJ020SG Zilog, Z8F042AHJ020SG Datasheet - Page 103

• Manufacturer Part Number: Z8F042AHJ020SG
• Description: IC ENCORE XP MCU FLASH 4K 28SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHJ020SG

• 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: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 1K 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-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4159; Z8F042AHJ020SG

Operation
PS022517-0508
Data Format
RXD
TXD
CTS
DE
System Bus
The UART always transmits and receives data in an 8-bit data format, least-significant bit
first. An even or odd parity bit is optionally added to the data stream. Each character
begins with an active Low
Figure12
by the UART without parity and with parity, respectively.
Parity Generator
on page 91 and
Transmit Data
Transmit Shift
Register
Register
Receive Shifter
Parity Checker
Receive Data
Register
Figure13
Figure 11. UART Block Diagram
START
bit and ends with either 1 or 2 active High
on page 91 display the asynchronous data format used
Status Register
Transmitter Control
with address compare
Receiver Control
Control Registers
Universal Asynchronous Receiver/Transmitter
Z8 Encore! XP
Product Specification
Baud Rate
Generator
®
F0822 Series
STOP
bits.
90