UPD78F9234MC-5A4-A Datasheet, PDF (122/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
Figure 6-34. Control Register Settings for One-Shot Pulse Output with External Trigger
(with Rising Edge Specified)
(a) Prescaler mode register 00 (PRM00)
ES110 ES100 ES010 ES000
3
PRM00 0/1
0/1
0
1
0
2
PRM001 PRM000
0
0/1
0/1
7
CRC00
0
Selects count clock
(setting “11” is prohibited).
Specifies the rising edge
for pulse width detection.
Setting invalid
(setting “10” is prohibited.)
(b) Capture/compare control register 00 (CRC00)
6
5
4
3
CRC002 CRC001 CRC000
0
0
0
0
0
0/1
0
CR000 used as compare register
CR010 used as compare register
(c) 16-bit timer output control register 00 (TOC00)
7
OSPT00 OSPE00 TOC004 LVS00 LVR00 TOC001 TOE00
TOC00
0
0
1
1
0/1
0/1
1
1
7
TMC00
0
Enables TO00 output.
Inverts output upon match
between TM00 and CR000.
Specifies initial value of
TO00 output F/F (setting “11” is prohibited.)
Inverts output upon match
between TM00 and CR010.
Sets one-shot pulse output mode.
(d) 16-bit timer mode control register 00 (TMC00)
6
5
4 TMC003 TMC002 TMC001 OVF00
0
0
0
1
0
0
0
Caution Do not set 0000H to the CR000 and CR010 registers.
Clears and starts at
valid edge of TI000 pin.
120
User’s Manual U17446EJ5V0UD