Ce (07H, B ); Serial Interface Mode Register (08H) - NEC PD17062 Datasheet

9.3 CE (07H, b )
0
CE is a flag for reading the CE pin level.
The flag indicates 1 when a high level signal is input to the CE pin, or 0 when a low level signal is input.

9.4 SERIAL INTERFACE MODE REGISTER (08H)

08H
b b
3 2
SIO0CH SB SIO0MS
76
07H
b b b b
3 2 1 0
0 0 0 CE
0
1
b b
1 0
SIO0TX
Transmission/reception setting
2-wire bus mode
CH0 serial I/O mode
0
CH1 serial I/O mode
2-wire bus mode
1
CH0 serial I/O mode
CH1 serial I/O mode
Setting of serial interface clock direction
2-wire bus mode
0
Serial I/O mode
2-wire bus mode
1
Serial I/O mode
Setting of serial interface mode
0 Serial I/O mode
1 2-wire bus mode
Setting of serial interface channel
0 Selects CH0
1 Selects CH1
CE pin low level
CE pin high level
: RX (reception) mode
: SI mode
: P0A used as a general-purpose port
3
: TX (transmission) mode
: SO mode
: P0A
used as an SO pin
3
: Slave operation
: External clock operation
: Master operation
: Internal clock operation
PD17062