UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 208
UPD78F9221CS-CAC-A
Manufacturer Part Number
UPD78F9221CS-CAC-A
Description
MCU 8BIT 2KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9221CS-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Figure 11-16 shows an example of the continuous transmission processing flow.
Remark TXB6:
ASIF6: Asynchronous serial interface transmission status register 6
TXBF6: Bit 1 of ASIF6 (transmit buffer data flag)
TXSF6: Bit 0 of ASIF6 (transmit shift register data flag)
Figure 11-16. Example of Continuous Transmission Processing Flow
Transmit buffer register 6
executed necessary
completion interrupt
executed necessary
CHAPTER 11 SERIAL INTERFACE UART6
number of times?
number of times?
Transmission
Set registers.
Write TXB6.
Write TXB6.
Read
TXBF6 = 0?
occurred?
Transfer
Transfer
ASIF6
User’s Manual U16898EJ6V0UD
Yes
No
No
Yes
No
Yes
No
Yes
transmission processing
Completion of
Read
TXSF6 = 0?
ASIF6
Yes
Yes
No
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