Brgb Divisor Most Significant Byte Register; Table 20-69. Bbh Register; Table 20-70. Bbh Register Definitions - Sharp Blue Treak LH75400 User Manual

LH75400/01/10/11 (Preliminary) User's Guide

20.3.2.30 BRGB Divisor Most Significant Byte Register

Register Bank: 3
BBH is the BRGB Divisor Most Significant Byte Register. The BBH Register contains the
most-significant byte of the BRGB divisor/count value. The DLAB bit in the LCR Register
must be set to access this register see Chapter 19, Section 19.3.1.9).
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BITS
31:8
7:0

Table 20-69. BBH Register

31 30 29 28 27
0 0 0 0 0
R R R R R
15 14 13 12 11
///
0 0 0 0 0
R R R R R

Table 20-70. BBH Register Definitions

NAME
/// Reserved Do not modify. Read as zero.
Most-Significant Byte of the BRGB Divisor/Count Value Bit [7]
D7:D0
holds the most-significant bit. Bit [0] holds the least-significant bit.
26 25 24 23 22
///
0 0 0 0 0
R R R R R
10 9 8 7 6
D7 D6
0 0 0 0 0
R R R RW RW
0xFFFC2000 + 0x04
DESCRIPTION
6/17/03
21 20 19 18 17
0 0 0 0 0
R R R R R
5 4 3 2 1
D5 D4 D3 D2 D1
0 0 0 0 0
RW RW RW RW RW
UART2
16
0
R
0
D0
0
RW
20-41