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SH7058 Datasheet, PDF (284/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine | |||
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Bit 1: EGSELx1
0
1
x = A, C, or E
Bit 0: EGSELx0
0
1
0
1
Description
Count disabled
Rising edges counted
Falling edges counted
Both rising and falling edges counted
(Initial value)
Timer Control Register 11 (TCR11)
Bit: 7
â
Initial value: 0
R/W: R
6
5
4
â
CKEG1 CKEG0
0
0
0
R
R/W
R/W
3
2
1
0
â CKSELA2 CKSELA1 CKSELA0
0
0
0
0
R
R/W
R/W
R/W
⢠Bits 7, 6, and 3âReserved: These bits are always read as 0. The write value should always be
0.
⢠Bits 5 and 4âEdge Select: These bits select the event counter counted edge(s).
Bit 5: CKEG1
0
1
Bit 4: CKEG0
0
1
0
1
Description
Rising edges counted
Falling edges counted
Both rising and falling edges counted
Count disabled
(Initial value)
⢠Bits 2 to 0âClock Select A2 to A0 (CKSELA2 to CKSELA0): These bits select clock Ï",
scaled from the internal clock source, from Ï', Ï'/2, Ï'/4, Ï'/8, Ï'/16, and Ï'/32.
Bit 2:
CKSELA2
0
1
Bit 1:
CKSELA1
0
1
0
1
Bit 0:
CKSELA0
0
1
0
1
0
1
0
1
Description
Internal clock Ï": counting on Ï'
(Initial value)
Internal clock Ï": counting on Ï'/2
Internal clock Ï": counting on Ï'/4
Internal clock Ï": counting on Ï'/8
Internal clock Ï": counting on Ï'/16
Internal clock Ï": counting on Ï'/32
External clock: counting on TCLKA pin input
External clock: counting on TCLKB pin input
Rev. 3.0, 09/04, page 243 of 1086
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