3 registers controlling 16-bit timer 20 – NEC PD78F9488 User Manual
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CHAPTER 6 16-BIT TIMER 20
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User’s Manual U15331EJ4V1UD
(4) 16-bit counter read buffer 20
This buffer is used to latch and hold the count value for TM20.
6.3 Registers Controlling 16-Bit Timer 20
16-bit timer 20 is controlled by the following three registers.
• 16-bit timer mode control register 20 (TMC20)
• Port mode register 3 (PM3)
• Port 3 (P3)
(1) 16-bit timer mode control register 20 (TMC20)
16-bit timer mode control register 20 (TMC20) controls the setting of the count clock, capture edge, etc.
TMC20 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets TMC20 to 00H.