UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 126
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
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Address
FD4H
126
(b) Static mode register B (STATB)
Static mode register B (STATB) is a register to specify static output/dynamic output of the S16/P100
to S23/P113 pins.
Caution Part of the S16 to S23 pins cannot be set as dynamic outputs while the other pins are set
7
0
as static outputs.
6
0
STATB5 STATB4
5
Fig. 4-74 Static Mode Register B (STATB)
S16 to S23 pins Static output/dynamic output selection bit
STATB5
4
0
1
3
0
STATB4
0
1
2
0
S16 to S23 become dynamic outputs. Output depends on
the contents of 1A0H to 1BDH.
S16 to S23 become static outputs. Static data is output
by issuing an output instruction for ports 10 and 11.
The outputs are independent of the value of DSPM.3.
1
0
Output status of S16 to S23 pins
0
0
Symbol
STATB
PD75238
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