UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 419

• 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

Address: FF4EH
MC0CTL2
Symbol
(c) MCG control register 2 (MC0CTL2)
<1> Baud rate
This register is used to set the transmit baud rate.
This register can be set by an 8-bit memory manipulation instruction.
Reset signal generation sets this register to 1FH.
The baud rate can be calculated by the following expression.
f
k:
XCLK
Baud rate =
Cautions 1. Clear bit 7 (MC0PWR) of the MC0CTL0 register to 0 before rewriting the MC0BRS4 to
Remarks 1. f
: Frequency of base clock selected by the MC0CKS2 to MC0CKS0 bits of the MC0CTL1 register
MC0BRS4
Value set by the MC0BRS4 to MC0BRS0 bits of the MC0CTL2 register (k = 4, 5, 6, ..., 31)
7
0
0
0
0
0
0
1
1
1
1
After reset: 1FH
2. k: Value set by the MC0BRS4 to MC0BRS0 bits (k = 4, 5, 6, 7, …., 31)
3.
2. The value from further dividing the output clock of the 5-bit counter by 2 is the baud
2
f
XCLK
XCLK
MC0BRS0 bits.
rate value.
k
MC0BRS3
: Don’t care
[bps]
: Frequency of the base clock selected by the MC0CKS2 to MC0CKS0 bits of the
6
0
0
0
0
0
0
1
1
1
1
MC0CTL1 register
CHAPTER 16 MANCHESTER CODE GENERATOR
R/W
MC0BRS2
5
0
0
1
1
1
1
1
1
1
1
User’s Manual U18698EJ1V0UD
MC0BRS4
MC0BRS1
4
0
0
1
1
0
0
1
1
MC0BRS3
MC0BRS0
3
0
1
0
1
0
1
0
1
MC0BRS2
28
29
30
31
k
4
4
5
6
7
2
f
f
f
f
f
f
f
f
f
XCLK
XCLK
XCLK
XCLK
XCLK
XCLK
XCLK
XCLK
XCLK
Output clock selection of 5-bit
/4
/4
/5
/6
/7
/28
/29
/30
/31
MC0BRS1
1
counter
MC0BRS0
0
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