UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 581
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UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 581 of 759
- Download datasheet (3Mb)
(a) 1-byte transfers
(b) 2-byte transfers
Macro Service
Channel
Macro Service
Control Word
Macro Service
Channel
Macro Service
Control Word
Macro service buffer address = (channel pointer) - (macro service counter)
Macro service buffer address = (channel pointer) - (macro service counter) - 1
Figure 20-23 Type A Macro Service Channel
7
CHAPTER 20 INTERRUPT FUNCTIONS
Macro Service
Macro Service
Macro Service
7
Macro Service Counter (MSC)
Macro Service Counter (MSC)
Buffer n
Buffer 1
Buffer 2
Macro Service Buffer 1
Macro Service Buffer 2
Channel Pointer
Macro Service Buffer n
SFR Pointer (SFRP)
SFR Pointer (SFRP)
Mode Register
Channel Pointer
Mode Register
(High-order Byte)
(Low-order Byte)
(High-order Byte)
(Low-order Byte)
(High-order Byte)
(Low-order Byte)
0
MCS = 1
MCS = 2
MCS = n
0
MCS = 1
MCS = 2
MCS = n
High Addresses
Low Addresses
High Addresses
Low Addresses
2 - 1
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