Panasonic MN103001G/F01K User Manual Page 416

  • Download
  • Add to my manuals
  • Print
  • Page
    / 466
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 415
I/O Ports
15-50
15.11.2 Register Descriptions
Port 9 is also used for extension mode setting signals EXMOD1 and EXMOD0; memory write signals WE1
and WE0; memory read signal RE; bus authority request signal BR; data acknowledge signal DK; and system clock
SYSCLK. P96, P95, P91, and P90 are general-purpose input/output ports, and P97 and P94 to P92 are general-
purpose output ports.
Each register for port 9 is described below.
Port 9 output register
Register symbol: P9OUT
Address: x'36008011
Purpose: This register sets the data to be output on port 9.
Bit No. 76543210
Bit name P97O P96O P95O P94O P93O P92O P91O P90O
Reset 00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
Port 9 pin register
Register symbol: P9IN
Address: x'36008091
Purpose: This register reads the value of the port 9 pins.
Bit No. 76543210
Bit name - P96I P95I - - - P91I P90I
Reset 0 X X 0 0 0 X X
Access RRRRRRRR
Port 9 input/output control register
Register symbol: P9DIR
Address: x'36008071
Purpose: This register sets the port 9 pins for input or output.
Valid when the P9nM is "1".
(0: input; 1: output)
Bit No. 76543210
Bit name - P96D P95D - - - P91D P90D
Reset 10011100
Access R R/W R/W R R R R/W R/W
Page view 415
1 2 ... 411 412 413 414 415 416 417 418 419 420 421 ... 465 466

Comments to this Manuals

No comments