Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 119

• Manufacturer Part Number: Z8F041APH020SG2156
• Description: 8-bit Microcontrollers - MCU 4K FLASH 1K RAM 128B NVDS
• Manufacturer: ZiLOG

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

PS022827-1212
Transmitting Data using the Interrupt-Driven Method
6. Check the TDRE bit in the UART Status 0 Register to determine if the Transmit Data
7. Write the UART Control 1 Register to select the outgoing address bit.
8. Set the Multiprocessor Bit Transmitter (MPBT) if sending an address byte, clear it if
9. Write the data byte to the UART Transmit Data Register. The transmitter automati-
10. Make any changes to the Multiprocessor Bit Transmitter (
11. To transmit additional bytes, return to
The UART Transmitter interrupt indicates the availability of the Transmit Data Register to
accept new data for transmission. Observe the following steps to configure the UART for
interrupt-driven data transmission:
1. Write to the UART Baud Rate High and Low Byte registers to set the appropriate baud
2. Enable the UART pin functions by configuring the associated GPIO port pins for
3. Execute a DI instruction to disable interrupts.
4. Write to the Interrupt control registers to enable the UART Transmitter interrupt and
5. Write to the UART Control 1 Register to enable MULTIPROCESSOR (9-bit) Mode
6. Set the MULTIPROCESSOR Mode Select (MPEN) to Enable MULTIPROCESSOR
7. Write to the UART Control 0 Register to:
–
Register is empty (indicated by a 1). If empty, continue to
Register is full (indicated by a 0), continue to monitor the TDRE bit until the Transmit
Data Register becomes available to receive new data.
sending a data byte.
cally transfers the data to the Transmit Shift Register and transmits the data.
and MULTIPROCESSOR Mode is enabled.
rate.
alternate function operation.
set the acceptable priority.
functions, if MULTIPROCESSOR Mode is appropriate.
Mode.
–
–
Set or clear the CTSE bit to enable or disable control from the remote receiver
using the CTS pin
Set the transmit enable bit (TEN) to enable the UART for data transmission
Enable parity, if appropriate and if MULTIPROCESSOR Mode is not enabled and
select either even or odd parity
P R E L I M I N A R Y
Step
5.
Z8 Encore! XP
Step
MPBT
Product Specification
7. If the Transmit Data
) value, if appropriate
®
F082A Series
Operation
102