Baud Rate Generator Control Register Format (1/2) - NEC PD78081(A) User Manual

(4) Baud rate generator control register (BRGC)
This register sets the serial clock for serial interface channel 2.
BRGC is set with an 8-bit memory manipulation instruction.
RESET input sets BRGC to 00H.
Figure 11-6. Baud Rate Generator Control Register Format (1/2)
Symbol
7 6
BRGC TPS3 TPS2 TPS1 TPS0 MDL3 MDL2 MDL1 MDL0
MDL3 MDL2 MDL1 MDL0
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1
1
Note Can only be used in 3-wire serial I/O mode.
Remarks 1. f
2. k
144
CHAPTER 11 SERIAL INTERFACE CHANNEL 2
5 4 3 2
Baud Rate Generator Input Clock Selection
f /16
0 0
SCK
f /17
0 1
SCK
f /18
1 0
SCK
f /19
1 1
SCK
f /20
0 0
SCK
f /21
0 1
SCK
f /22
1 0
SCK
f /23
1 1
SCK
f /24
0 0
SCK
f /25
0 1
SCK
f
1 0 /26
SCK
1 1 f /27
SCK
0 0 f /28
SCK
0 1 f /29
SCK
1 0 f /30
SCK
1 1 f SCK Note
: 5-bit counter source clock
SCK
: Value set in MDL0 to MDL3 (0
1 0 Address After Reset
FF73H
k 14)
R/W
00H R/W
k
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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