Toshiba TLCS-90 Series Data Book page 266

TOSHIBA
Port 6 Register
P6 ISA63 ISA62 ISA6l ISA60 P63
1
P62
1
P61
1
P60
(FFCCH)
1
W R/W
Stepping motor Port 6
control port
Channel 0 shifter
alternate register
Port 7 Register
P7 I SA73 I SA72 I SA7l I SA70 P73 I P72 I P7l I P70
(FFCDH)
1
W R/W
Stepping motor Port 7
control port
Channel 1 shifter
alternate register
Port 6 and 7 Register
P67CR Ip73C Ip72C Ip7lC Ip70C Ip63C Ip62C Ip6lC Ip60C
(FFCEH)
I ________
~--------~--------~---------
w
TMP90C840
________ ) Select input/output of
port 6
*
1
0
1
Input
1
1----1-----------1
1
1
1
Output
1
w
______________________________ ) Select input/output of
port 7
*
1
0
I
Input
1
1----1-----------1
1
1
1
Output
1
*
indicates initial
value after reset.
Fig. 3.5 (l4a) Registers for Ports 6 and 7
MPU90-68