UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 349
![8BIT MCU, 128K FLASH, 7K RAM, LQFP](/photos/19/1/190186/ge64lqfp05-40_sml.jpg)
UPD78F0890GK(A)-GAJ-AX
Manufacturer Part Number
UPD78F0890GK(A)-GAJ-AX
Description
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0890GKA-GAJ-AX.pdf
(732 pages)
Specifications of UPD78F0890GK(A)-GAJ-AX
Controller Family/series
UPD78F
No. Of I/o's
55
Ram Memory Size
7KB
Cpu Speed
20MHz
No. Of Timers
10
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
128KB
Oscillator Type
External, Internal
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Remark T
(h) SBF transmission
INTST6n
SBTT6n
T
When the device is used in LIN communication operation, the SBF (Synchronous Break Field) transmission
control function is used for transmission. For the transmission operation of LIN, see Figure 14-1 LIN
Transmission Operation.
When bit 7 (POWER6n) of asynchronous serial interface operation mode register 6n (ASIM6n) is set to 1 and
bit 6 (TXE6n) of ASIM6n is then set to 1, transmission is enabled.
SBF transmission can be started by setting bit 5 (SBTT6n) of asynchronous serial interface control register
6n (ASICL6n) to 1.
Thereafter, a low level of bits 13 to 20 (set by bits 4 to 2 (SBL62n to SBL60n) of ASICL6n) is output.
Following the end of SBF transmission, the transmission completion interrupt request (INTST6n) is
generated and SBTT6n is automatically cleared. Thereafter, the normal transmission mode is restored.
Transmission is suspended until the data to be transmitted next is written to transmit buffer register 6n
(TXB6n), or until SBTT6n is set to 1.
X
D6n
Remark n = 0, 1
INTST6n: Transmission completion interrupt request
SBTT6n:
n = 0, 1
X
D6n:
T
Bit 5 of asynchronous serial interface control register 6n (ASICL6n)
1
X
D6n pins (output)
CHAPTER 14 SERIAL INTERFACES UART60 AND UART61
2
3
Figure 14-30. SBF Transmission
4
User’s Manual U17554EJ4V0UD
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