UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 504
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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)
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17.6.7 Various Signals
17-23 to 17-27. Signals in SBI mode are shown in Table 17-1.
464
The operation of various signals in SBI mode and flags in serial bus interface control register (SBIC) is shown in Figures
Caution ACKT must not be set before the end of a transfer.
CMDD
CMDT
RELD
SCK0
RELT
ACKT
SB0
SCK0
SIO
SB0
6
D2
7
D1
Figure 17-23 RELT, CMDT, RELD, CMDD Operation
8
CHAPTER 17 CLOCKED SERIAL INTERFACE
D0
9
Figure 17-24 ACKT Operation
When set in this interval
ACK
ACK signal is output in 1 clock interval
immediately after ACKT is set
Transfer Start Directive
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