Samsung S3C84E5 Uart Baud Rate Data Register BRDATAH, Brdatal, Baud Rate Calculations, 13-6

UART S3C84E5/C84E9/P84E9

UART BAUD RATE DATA REGISTER (BRDATAH, BRDATAL)

The value stored in the UART baud rate register, (BRDATAH, BRDATAL), lets you determine the UART clock rate (baud rate).

UART Baud Rate Data Register

(BRDATAH) EEH, Set1, Bank 0, R/W, Reset Value: FFH

(BRDATAL) EFH, Set1, Bank 0, R/W, Reset Value: FFH

MSB

.7

.6

.5

.4

.3

.2

.1

.0

LSB

Brud rate data

Figure 13-4. UART Baud Rate Data Register (BRDATAH, BRDATAL)

BAUD RATE CALCULATIONS

The baud rate is determined by the baud rate data register, 16-bit BRDATA

Mode 0 baud rate = fxx/(16 × (16-bit BRDATA + 1))

Mode 1 baud rate = fxx/(16 × (16-bit BRDATA + 1))

Mode 2 baud rate = fxx/(16 × (16-bit BRDATA + 1))

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