UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 373
UPD78F0413GA-GAM-AX
Manufacturer Part Number
UPD78F0413GA-GAM-AX
Description
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer
NEC
Datasheet
1.UPD78F0413GA-GAM-AX.pdf
(562 pages)
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
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(4) Permissible baud rate range during reception
The permissible error from the baud rate at the transmission destination during reception is shown below.
Caution Make sure that the baud rate error during reception is within the permissible error range, by
As shown in Figure 14-27, the latch timing of the receive data is determined by the counter set by baud rate
generator control register 6 (BRGC6) after the start bit has been detected. If the last data (stop bit) meets this
latch timing, the data can be correctly received.
Assuming that 11-bit data is received, the theoretical values can be calculated as follows.
Maximum permissible
Minimum permissible
FL = (Brate)
Data frame length
Brate: Baud rate of UART6
k:
FL:
Margin of latch timing: 2 clocks
data frame length
data frame length
using the calculation expression shown below.
of UART6
Set value of BRGC6
1-bit data length
1
Figure 14-27. Permissible Baud Rate Range During Reception
Latch timing
Start bit
Start bit
Start bit
CHAPTER 14 SERIAL INTERFACE UART6
User’s Manual U18698EJ1V0UD
Bit 0
Bit 0
FL
Bit 0
Bit 1
Bit 1
Bit 1
1 data frame (11
FLmin
FLmax
Bit 7
Bit 7
FL)
Bit 7
Parity bit
Parity bit
Parity bit
Stop bit
Stop bit
Stop bit
373
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