NEC Figure 19-6. Baud Rate Generator Control Register Format (1/2)

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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. fSCK : 5-bit counter source clock
2. k : Value set in MDL0 to MDL3 (0 ≤ k ≤ 14)
Baud Rate Generator Input Clock SelectionMDL3 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
—
65432107
Symbol
BRGC TPS3 TPS2 TPS1 TPS0 MDL3 MDL2 MDL1 MDL0 FF73H 00H R/W
Address After Reset R/W
k