UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 182

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

180
BRGC00
(4)
Note Only used in the UART mode.
Cautions 1. When BRGC00 is written during a communication operation, the output of the baud rate
Remarks 1. f
Symbol
Baud rate generator control register 00 (BRGC00)
This register is used to set the serial clock of serial interface 00.
BRGC00 is set using an 8-bit memory manipulation instruction.
RESET input sets BRGC00 to 00H.
TPS003 TPS002 TPS001 TPS000
TPS003
Other than above
2. Do not select n = 1 during f
2. n: Value determined in the settings of TPS000 to TPS003 (1
3. The parenthesized values apply to operation at f
7
0
0
0
0
0
0
0
0
1
generator is disrupted and communications cannot be performed normally. Be sure not to
write to BRGC00 during a communication operation.
X
TPS002
: Main system clock oscillation frequency
6
0
0
0
0
1
1
1
1
0
Figure 13-6. Format of Baud Rate Generator Control Register 00
TPS001
5
0
0
1
1
0
0
1
1
0
TPS000
4
0
1
0
1
0
1
0
1
0
Clock input from external to ASCK pin
Setting prohibited
f
f
f
f
f
f
f
f
X
X
X
X
X
X
X
X
CHAPTER 13 SERIAL INTERFACE 00
/2
/2
/2
/2
/2
/2
/2
/2
3
0
2
3
4
5
6
7
8
(2.5 MHz)
(1.25 MHz)
(625 kHz)
(313 kHz)
(156 kHz)
(78.1 kHz)
(39.1 kHz)
(19.5 kHz)
User’s Manual U13952EJ3V1UD
2
0
X
= 5.0 MHz operation because the baud rate rating is exceeded.
1
0
3-bit counter source clock selection
0
0
X
= 5.0 MHz.
Address
FF73H
Note
After reset
n
00H
8)
R/W
R/W
n
1
2
3
4
5
6
7
8
–