Samsung S5PC100 User Manual page 688

S5PC100 USER'S MANUAL (REV1.0)
4.3 CORE INITIALIZATION PROCEDURE
4.3.1 MIR/FIR Mode Initialization Operation
1. Program the MDR register to select the MIR/ FIR mode.
2. Program the ACR register to select the transceiver type.
•
For the Temic-IBM type transceiver, program twice in ACR[0] = 1'b0 and ACR[0] = 1'b1.
•
For the HP type transceiver, program just once in ACR[0] = 1'b0 to FIR/MIR mode.
3. Program the PLR register to select the number of preamble or start flag, and TX threshold level.
4. Program the RXFLL and RXFLH register (maximum available receive bytes in frame).
5. Program the TXFLL and TXFLH register (transmit bytes in transmission frame).
6. Program the FCR registers (FIFO size and RX threshold level).
7. Program the IER registers (the types of interrupt).
8. Program the ACR registers (TX enable or RX enable).
9. Program the ICR register (interrupt enable).
10. Service Interrupt signal from the core.
START
Setup INT
Service Parameters
Initialize Core
Enable INT
No
INT
Active ?
ISR
Figure 8.4-7 General Program Flowchart
Yes
IRDA
8.4-9