(With Rising Edge Specified) - NEC 78K0 User Manual

CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 AND 01
Figure 7-38. Control Register Settings for One-Shot Pulse Output with External Trigger
7 6
TMC0n
0 0
7 6
CRC0n
0 0
7
OSPT0n OSPE0n
TOC0n 0 0
ES1n1 ES1n0
PRM0n
0/1 0/1
Caution Do not set 0000H to the CR00n and CR01n registers.
µ
Remark n = 0: PD780143, 780144
µ
n = 0, 1: PD780146, 780148, 78F0148

(with Rising Edge Specified)

(a) 16-bit timer mode control register 0n (TMC0n)
5 4
TMC0n3
0 0 1
(b) Capture/compare control register 0n (CRC0n)
5 4 3
0 0 0
(c) 16-bit timer output control register 0n (TOC0n)
TOC0n4 LVS0n LVR0n
1 1 0/1
*
(d) Prescaler mode register 0n (PRM0n)
ES0n1 ES0n0 3
0 1 0
User's Manual U15947EJ2V0UD
TMC0n2 TMC0n1 OVF0n
0 0 0
CRC0n2 CRC0n1 CRC0n0
0 0/1 0
TOC0n1 TOE0n
0/1 1 1
Enables TO0n output.
Inverts output upon match
between TM0n and CR00n.
Specifies initial value of
TO0n output F/F (setting "11" is prohibited.)
Inverts output upon match
between TM0n and CR01n.
Sets one-shot pulse output mode.
2 PRM0n1 PRM0n0
0 0/1 0/1
Clears and starts at
valid edge of TI00n pin.
CR00n used as compare register
CR01n used as compare register
Selects count clock
(setting "11" is prohibited).
Specifies the rising edge
for pulse width detection.
Setting invalid
(setting "10" is prohibited.)
207