ZLP128ICE01ZEM Zilog, ZLP128ICE01ZEM Datasheet - Page 58

• Manufacturer Part Number: ZLP128ICE01ZEM
• Description: EMULATOR CRIMZON Z8 ZLP12840
• Manufacturer: Zilog

Specifications of ZLP128ICE01ZEM

• Interface Type: RS-232, Ethernet, USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3829

PS024410-0108
UART Baud Rate Generator
Baud Rate Generator Interrupts
If the Baud Rate Generator interrupt enable is set, the UART Receiver interrupt asserts
when the UART Baud Rate Generator reloads. This action allows the Baud Rate Genera-
tor to function as an additional counter if the UART functionality is not employed.
The UART Baud Rate Generator creates a lower frequency baud rate clock for data trans-
mission. The input to the Baud Rate Generator is the system clock. The UART Baud Rate
Constant register contains an 8-bit baud rate divisor value (BCNST[7:0]) that sets the data
Figure 16. UART Receiver Interrupt Service Routine Flow
Read Data
P R E L I M I N A R Y
No
Read data that clears
resets the error bits
the RDA bit and
Discard Data
Read Status
Receiver
Receiver
Interrupt
Errors?
Ready
Yes
Universal Asynchronous Receiver/
Product Specification
ZLP12840 OTP MCU
52