Z8F042AHJ020SC Zilog, Z8F042AHJ020SC Datasheet - Page 109

• Manufacturer Part Number: Z8F042AHJ020SC
• Description: IC ENCORE XP MCU FLASH 4K 28SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHJ020SC

• 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
• Processor Series: Z8F042xx
• Core: eZ8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 16 Bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3371

Operation
PS022825-0908
Data Format
CTS
RXD
TXD
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 can be added to the data stream. Each character begins with
an active Low START bit and ends with either 1 or 2 active High STOP bits.
Figure 12
and with parity, respectively.
Parity Generator
Transmit Data
Transmit Shift
display the asynchronous data format employed by the UART without parity
Register
Register
Receive Shifter
Parity Checker
Receive Data
Register
Figure 10. UART Block Diagram
Status Register
Transmitter Control
with Address Compare
Receiver Control
Control Registers
Universal Asynchronous Receiver/Transmitter
Z8 Encore! XP
Product Specification
Baud Rate
Generator
®
F082A Series
Figure 11
and
98