UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 370

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

14.4.4 Calculation of baud rate
(1) Baud rate calculation expression
370
Notes 1.
The baud rate can be calculated by the following expression.
f
k:
XCLK6
Baud rate =
: Frequency of base clock selected by TPS63 to TPS60 bits of CKSR6 register
2.
3.
TPS63
Value set by MDL67 to MDL60 bits of BRGC6 register (k = 4, 5, 6, ..., 255)
0
0
0
0
0
0
0
0
1
1
1
1
If the peripheral hardware clock (f
f
If the peripheral hardware clock (f
= 0), when 1.8 V
is prohibited.
When selecting the TM50 output as the base clock, Start the operation of 8-bit timer/event counter 50
first and then enable the timer F/F inversion operation (TMC501 = 1).
PRS
V
V
DD
DD
f
2
operating frequency varies depending on the supply voltage.
XCLK6
= 2.7 to 5.5 V: f
= 1.8 to 2.7 V: f
k
TPS62
[bps]
Other than above
0
0
0
0
1
1
1
1
0
0
0
0
V
DD
TPS61
PRS
PRS
Table 14-4. Set Value of TPS63 to TPS60
CHAPTER 14 SERIAL INTERFACE UART6
< 2.7 V, the setting of TPS63 = TPS62 = TPS61 = TPS60 = 0 (base clock: f
0
0
1
1
0
0
1
1
0
0
1
1
10 MHz
5 MHz
User’s Manual U18698EJ1V0UD
PRS
TPS60
PRS
0
1
0
1
0
1
0
1
0
1
0
1
) operates on the internal high-speed oscillation clock (f
) operates on the high-speed system clock (f
f
f
f
f
f
f
f
f
f
f
f
TM50 output
Setting prohibited
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
PRS
Note 2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
2
3
4
5
6
7
8
9
10
2 MHz
1 MHz
500 kHz
250 kHz
125 kHz
62.5 kHz
31.25 kHz 78.13 kHz 125 kHz
15.625 kHz 39.06 kHz 62.5 kHz
7.813 kHz 19.53 kHz 31.25 kHz 39.06 kHz
3.906 kHz 9.77 kHz
1.953 kHz 4.88 kHz
2 MHz
f
Base Clock (f
PRS
Note 3
=
5 MHz
2.5 MHz
1.25 MHz
625 kHz
312.5 kHz 500 kHz
156.25 kHz 250 kHz
5 MHz
f
PRS
XCLK6
=
) Selection
8 MHz
4 MHz
2 MHz
1 MHz
15.625 kHz 19.53 kHz
7.813 kHz 9.77 kHz
8 MHz
f
PRS
Note 1
=
XH
) (XSEL = 1), the
10 MHz
5 MHz
2.5 MHz
1.25 MHz
625 kHz
312.5 kHz
156.25 kHz
78.13 kHz
10 MHz
f
PRS
=
RH
) (XSEL
PRS
)