M30218 Datasheet, PDF (112/179 Pages) Mitsubishi Electric Semiconductor – M30218 Group

Serial I/O2
Mitsubishi microcomputers
M30218 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
•Serial operation used SBUSY2 output
Operation mode
Transfer clock
SBUSY2 output timing
: Automatic transfer serial I/O mode
: Internal synchronous clock
: Each 1-byte data
Tc
Automatic
transfer interval
Internal clock
Serial transfer status flag ^"1"
(bit 5 at address 034416) "0"
Automatic transfer RAM
Serial I/O2 register
Serial I/O2 register
Automatic transfer RAM
"H"
SBUSY2(output)
"L"
SCLK2i
(i = 1, 2)(output)
SOUT2
D0 D1 D2 D3 D4 D5 D6 D7
Tc : Internal synchronous clock is selected by bits 5 to 7 of address 034816
D0 D1 D2 D3 D4 D5 D6 D7
•Serial operation used SBUSY2 output
Operation mode
Transfer clock
SBUSY2 output timing
: Automatic transfer serial I/O mode
: Internal synchronous clock
: Each transfer of all data
Tc
Automatic
transfer interval
Internal clock
Serial transfer status flag ^"1"
(bit 5 at address 034416) "0"
Automatic transfer RAM
Serial I/O2 register
Serial I/O2 register
Automatic transfer RAM
"H"
SBUSY2(output)
"L"
SCLK2i
(i = 1, 2)(output)
SOUT2
D0 D1 D2 D3 D4 D5 D6 D7
Tc : Internal synchronous clock is selected by bits 5 to 7 of address 034816
D0 D1 D2 D3 D4 D5 D6 D7
Figure GA-11. SBUSY2 Output Operation (3)
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