UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 508
UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 508 of 759
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Bus release signal
(REL)
Command signal
(CMD)
Signal Name
Outputting
Device
Master
Master
SB0 rising edge
when SCK0 = 1
SB0 falling edge
when SCK0 = 1
Definition
SCK0
SCK0
SB0
SB0
Table 17-1 Signals in SBI Mode (1/3)
“H”
“H”
Timing Chart
Output Conditions
• RELT set
• CMDT set
• RELD set
• CMDD cleared
• CMDD set
Effect on Flags
Outputs CMD signal
next and indicates
transmit data is
address.
(1) Transmit data after
(2) Send data with
Meaning of Signal
REL signal output
is address.
no REL signal
output is
command.
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