Brgb Configuration Register; Table 20-71. Bbcf Register; Table 20-72. Bbcf Register Definitions - Sharp Blue Treak LH75400 User Manual

UART2

20.3.2.31 BRGB Configuration Register

Register Bank: 3
BBCF is the BRGB Configuration Register. The BBCF Register defines the BRGB clock
sources and operating mode.
NOTE: BRGB can also obtain its input clock from the BRGA output.
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
BITS
31:8
7:6
5:3
2
1:0
20-42

Table 20-71. BBCF 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 20-72. BBCF Register Definitions

NAME
/// Reserved Do not modify. Read as zero.
Defines the input clock sources for BRGV.
00 = System clock
01 = Reserved
BBCS1, BBCS0
10 = BRGA output
11 = Reserved
These bits have no effect in Timer Mode.
/// Reserved Read as zero.
BRBG Mode of Operation
BBM
0 = Timer Mode; input clock source is always the system clock.
1 = BRG Mode.
/// Reserved Read as zero.
LH75400/01/10/11 (Preliminary) User's Guide
26 25 24 23 22
///
0 0 0 0
R R R R R
10 9 8 7
0 0 0 1
R R R RW RW
0xFFFC2000 + 0x0C
DESCRIPTION
6/17/03
21 20 19 18
0 0 0 0 0
R R R R
6 5 4 3 2
/// BBM
0 0 0 0 1
R R RO RW
17 16
0 0
R R
1 0
///
0 0
R R