UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 582
UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
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(3) Example of use of type A
542
Remark Addresses in the figure are the values when the LOCATION 0 instruction is executed.
An example is shown below in which data received via the asynchronous serial interface is transferred to a buffer area
in internal RAM.
When the LOCATION 0FH instruction is executed, 0F0000H should be added to the values in the figure.
R
X
D/P30
Receive Buffer
Shift Register
Figure 20-24 Asynchronous Serial Reception
(RXB)
0FE7FH
0FE70H
CHAPTER 20 INTERRUPT FUNCTIONS
Channel Pointer 7FH
Mode Register 11H
(Internal RAM)
Internal Bus
SFRP 8CH*
MSC 0EH
INTSR Macro Service Request
Type A, SFR
Interrupt Request Generation When
MSC = 0
* Low-Order 8 Bits of RXB Address
–1
Memory, 8-Bit Transfer,
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