NEC uPD78056Y - Manual (Page 448)

448
CHAPTER 19 SERIAL INTERFACE CHANNEL 2
(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 19-6. Baud Rate Generator Control Register Format (1/2)
Note Can only be used in 3-wire serial I/O mode.
Remarks 1. f SCK : 5-bit counter source clock
2. k : Value set in MDL0 to MDL3 (0
≤
k
≤
14)
Baud Rate Generator Input Clock Selection MDL3 MDL2 MDL1 MDL0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
f
SCK
/16
f
SCK
/17
f SCK /18
f SCK /19
f SCK /20
f SCK /21
f SCK /22
f SCK /23
f
SCK
/24
f
SCK
/25
f
SCK
/26
f SCK /27
f SCK /28
f SCK /29
f SCK /30
f SCKNote
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
—
6 5 4 3 2 1 0 7
Symbol
BRGC TPS3 TPS2 TPS1 TPS0 MDL3 MDL2 MDL1 MDL0 FF73H 00H R/W
Address After Reset R/W
k