M37221 Mitsubishi, M37221 Datasheet - Page 19

• Manufacturer Part Number: M37221
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

Serial I/O Common Transmission/Reception Mode
By writing “1” to bit 6 of the serial I/O mode register, signals S
S
serial data.
Figure 13 shows signals on serial I/O common transmission/recep-
tion mode.
Note: When receiving the serial data after writing “FF
Fig. 13. Signals on serial I/O common transmission/reception mode
OUT
are switched internally to be able to transmit or receive the
I/O register.
SM: Serial I/O mode register
P2
P2
P2
1
0
2
/S
/S
/S
OUT
CLK
IN
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
16
” to the serial
IN
“1”
“0”
SM6
and
M37221EF-XXXSP,M37221EFSP
Clock
Serial I/O shift register (8)
with ON-SCREEN DISPLAY CONTROLLER
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