Interrupt Sources; Clock And Reset; I/O Timing; Serial Data - Renesas EMMA Mobile 1 User Manual

Multimedia processor for mobile applications uart interface
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4.3 Interrupt Sources

The UART interface uses four interrupts.
Interrupt Name
Modem status interrupt
Reception error (receiver line status) interrupt
Transmit buffer empty (transmit hold register (THR) empty)
interrupt
Reception error (received data available)/timeout interrupt

4.4 Clock and Reset

The following clock is used for the UART interface:
 U70_SCLK
Used for accessing the APB bus.
For details about clock/reset settings, see the Multimedia Processor for Mobile Applications - System
Control/General-Purpose I/O Interface User's Manual (S19265E).

4.5 I/O Timing

4.5.1 Serial data

Clock (baud rate)
D0
CHAPTER 4 DESCRIPTION OF FUNCTIONS

Table 4-1. Interrupt Sources

16 cycles
D1
D2
D3
D4
User's Manual S19262EJ3V0UM
Bit Assignment
Bit 3 (EDSSI) of the IER register
Bit 2 (ELSI) of the IER register
Bit 1 (ETBEI) of the IER register
Bit 0 (ERBI) of the IER register
D5
D6
D7
Parity
Stop
39

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