hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 326

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 Timers
Input Capture Register GF (ICRGF)
ICRGF is an 8-bit read-only register. When a falling edge of the input capture input signal is
detected, the current TCG value is transferred to ICRGF. If IIEGS in TMG is 1 at this time,
IRRTG in IRR2 is set to 1, and if IENTG in IENR2 is 1, an interrupt request is sent to the CPU.
For details of the interrupt, see section 3.3, Interrupts.
To ensure dependable input capture operation, the pulse width of the input capture input signal
must be at least 2φ or 2φ
ICRGF is initialized to H'00 upon reset.
Input Capture Register GR (ICRGR)
ICRGR is an 8-bit read-only register. When a rising edge of the input capture input signal is
detected, the current TCG value is transferred to ICRGR. If IIEGS in TMG is 0 at this time,
IRRTG in IRR2 is set to 1, and if IENTG in IENR2 is 1, an interrupt request is sent to the CPU.
For details of the interrupt, see section 3.3, Interrupts.
To ensure dependable input capture operation, the pulse width of the input capture input signal
must be at least 2φ or 2φ
ICRGR is initialized to H'00 upon reset.
Rev. 7.00 Mar 10, 2005 page 284 of 652
REJ09B0042-0700
Bit:
Initial value:
Read/Write:
Bit:
Initial value:
Read/Write:
ICRGR7
ICRGF7
R
R
7
0
7
0
SUB
SUB
ICRGR6
ICRGF6
(when the noise canceler is not used).
(when the noise canceler is not used).
R
R
6
0
6
0
ICRGR5
ICRGF5
R
R
5
0
5
0
ICRGF4
ICRGR4
R
R
4
0
4
0
ICRGR3
ICRGF3
R
R
3
0
3
0
ICRGR2
ICRGF2
R
R
2
0
2
0
ICRGR1
ICRGF1
R
R
1
0
1
0
ICRGR0
ICRGF0
R
R
0
0
0
0