UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 288

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(2) Counting both edges (maximum frequency = f
operation.
count clock.
and the stopped state is entered. The TM1 count operation is not affected if the CE1 bit is set (1) by software again when it is
already set (1).
248
Remarks 1. ICI: INTP0 input signal after passing through edge detection circuit
The TM1 count operation is controlled by the CE1 bit of the timer control register 1 (TMC1) in the same way as with the basic
When the CE1 bit is set (1) by software, the contents of TM1 are set to 0H and the up-count operation is started on the initial
When the CE1 bit is cleared (0) by software during a TM1 count operation, the contents of TM1 are set to 0H immediately
INTP0
TM1
ICI
2. f
SMP
Dn
4/f
is selected by the sampling clock selection register (SCS0).
SMP
Figure 9-10 Timing of External Event Count by Timer/Counter 1 (2/2)
(MIN.)
4/f
Dn+1
SMP
(MIN.)
CHAPTER 9 TIMER/COUNTER 1
Dn+2
CLK
8/f
/8)
SMP
(MIN.)
Dn+3
3–4/f
Dn+4
SMP
Dn+5