UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 225

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

(2) Port mode register 7 (PM7)
This register sets port 7 input/output in 1-bit units.
When using the P74/PCL/TI011 pin for clock output and the P75/BUZ/TI001/TO01 pin for buzzer output, set PM74
and PM75, and the output latches of P74 and P75 to 0.
PM7 is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets PM7 to FFH.
Address: FF27H
Symbol
PM7
PM7n
7
1
0
1
CHAPTER 12 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER
After reset: FFH
Figure 12-3. Format of Port Mode Register 7 (PM7)
Output mode (output buffer on)
Input mode (output buffer off)
6
1
PM75
P7n pin I/O mode selection (n = 0 to 5)
5
User’s Manual U14260EJ4V0UD
R/W
PM74
4
PM73
3
PM72
2
PM71
1
PM70
0
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