UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 467

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

BRGC2
BRGC
TPS23 TPS22 TPS21 TPS20 MDL23 MDL22 MDL21 MDL20
TPS3
7
Figure 16-15 Baud Rate Generator Control Register (BRGC) Format and
TPS2
CHAPTER 16 ASYNCHRONOUS SERIAL INTERFACE/3-WIRE SERIAL I/O
6
TPS1
5
Baud Rate Generator Control Register 2 (BRGC2) Format
TPS0
4
MDL3
3
MDL2
2
* 1. Only f
* Can not be selected when the value set in bits MDL3 to MDL0, k = 15.
MDL23 MDL22 MDL21 MDL20
MDL1
MDL3
TPS23 TPS22 TPS21 TPS20
TPS3
2. Can only be used in 3-wire serial I/O mode.
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
Other than the above
MDL0
MDL2
TPS2
PRS
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
/16 can be selected when ASCK/ASCK2 input is used.
Address
0FF90H
0FF91H
MDL1
TPS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
f
XX
:Oscillator frequency or external clock input
MDL0
TPS0
On Reset
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
f
PRS
00H
00H
: Prescaler output selection clock
10
11
12
13
14
15
10
11
k
0
1
2
3
4
5
6
7
8
9
n
0
1
2
3
4
5
6
7
8
9
Baud Rate Generator Input
Clock*
12-Bit Prescaler Tap
Selection (f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
Setting prohibited
/4,
/8,
/16,
/32,
/64,
/128,
/256,
/512,
/1024,
/2048,
/4096,
/8192,
R/W
R/W
R/W
/16
/17
/18
/19
/20
/21
/22
/23
/24
/25
/26
/27
/28
/29
/30
*
2
1
PRS
f
f
f
f
f
f
f
f
f
f
f
f
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
ASCK
)
/2*
/4
/8
/16
/32
/64
/128
/256
/512
/1024
/2048
/4096
427