NEC PD17062 User Manual
Page 208
208
µ
PD17062
16.3.4 SIO0SF8 (Serial I/O Shift 8 Clock) Flag
The SIO0SF8 flag, mapped to b
3
of the status register, is set to 1 when the contents of the clock counter
become 8. When the contents of the clock counter become 0 or 1, the SIO0SF8 flag is reset to 0.
An operation to read the presettable shift register must be performed while the SIO0SF8 flag is set to 1.
The SIO0SF8 flag is not influenced by the contents of the serial mode register.
Fig. 16-3 SIO0SF8 and SIO0SF9 Operations
6
7
8
9
1
2
3
4
5
6
7
8
9
SCL, SCK
Bit counter
SIO0SF8
SIO0SF9