UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 429

• 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

115200
125000
153600
250000
19200
31250
38400
56000
62500
76800
Baud
Rate
[bps]
4800
9600
Remark MC0CKS2 to MC0CKS0: Bits 2 to 0 of MCG control register 1 (MC0CTL1) (setting of base clock (f
<2> Error of baud rate
<3> Example of setting baud rate
MC0CKS2
MC0CKS0
5, 6, or 7
The baud rate error can be calculated by the following expression.
Caution Keep the baud rate error during transmission to within the permissible error range at the
to
–
5
4
4
3
2
2
1
1
1
1
Error (%) =
Example: Frequency of base clock = 2.5 MHz = 2,500,000 Hz
k:
f
ERR:
PRS
f
PRS
:
16
10
20
20
10
11
16
22
16
= 10.0 MHz
k
–
8
8
reception destination.
Calculated
113636
125000
156250
250000
19531
31250
39063
56818
62500
78125
Value
9766
Set value of MC0BRS4 to MC0BRS0 bits of MC0CTL2 register = 10000B (k = 16)
Target baud rate = 76,800 bps
Baud rate = 2.5 M/(2
Error = (78,125/76,800
Actual baud rate (baud rate with error)
Desired baud rate (correct baud rate)
–
= 1.725 [%]
–1.36
ERR
1.73
1.73
1.73
1.46
1.73
1.73
[%]
–
0
0
0
0
CHAPTER 16 MANCHESTER CODE GENERATOR
= 2,500,000/(2
MC0CKS2
MC0CKS0
5, 6, or 7
to
4
3
2
2
2
2
1
2
1
2
1
0
Value set by bits 4 to 0 (MC0BRS4 to MC0BRS0) of MCG control register 2
(MC0CTL2) (k = 4, 5, 6, …, 31)
Peripheral hardware clock frequency
Baud rate error
f
PRS
27
27
27
17
27
19
17
27
17
17
= 8.38 MHz
k
9
7
8
User’s Manual U18698EJ1V0UD
16)
Calculated
1)
116389
123235
149643
261875
246471
19398
30809
38796
55132
61618
77592
Value
4850
9699
16) = 78125 [bps]
100
–1.41
–1.55
–1.41
–1.41
–2.58
–1.41
ERR
1.03
1.03
1.03
1.03
1.03
1.03
4.75
[%]
MC0CKS2
MC0CKS0
5, 6, or 7
5, 6, or 7
1
to
4
4
3
3
3
2
1
1
1
1
100 [%]
f
PRS
26
13
13
13
13
17
16
13
8
9
8
8
k
= 8.0 MHz
Calculated
117647
125000
153846
250000
19231
31250
38462
55556
62500
76923
Value
4808
9615
–0.79
ERR
0.16
0.16
0.16
0.16
0.16
2.12
0.16
[%]
0
0
0
0
MC0CKS2
MC0CKS0
5, 6, or 7
to
4
4
2
2
1
2
2
1
1
1
1
f
PRS
20
20
10
24
20
27
12
10
13
12
10
6
k
= 6.0 MHz
Calculated
115385
125000
150000
250000
18750
31250
37500
55556
62500
75000
Value
4688
9375
XCLK
429
–2.34
–2.34
–2.34
–2.34
–0.79
–2.34
–2.34
ERR
0.16
))
[%]
0
0
0
0