DSP56303 FREESCALE [Freescale Semiconductor, Inc], DSP56303 Datasheet - Page 201

• Manufacturer Part Number: DSP56303
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Freescale Semiconductor
Mode 2 (internal clock): TRM = 0
Mode 2 (internal clock): TRM = 1
N = write preload
M = write compare
N = write preload
M = write compare
TE
Clock
(CLK/2 or prescale CLK)
TLR
Counter (TCR)
TCPR
TCF (Compare Interrupt if TCIE = 1)
TIO pin (INV = 0)
TIO pin (INV = 1)
TE
TLR
Counter (TCR)
TCPR
TCF (Compare Interrupt if TCIE = 1)
TIO pin (INV = 0)
TIO pin (INV = 1)
TOF (Overflow Interrupt if TCIE = 1)
Clock
(CLK/2 or prescale CLK)
N
M
N
M
Figure 9-7. Toggle Mode, TRM = 1
Figure 9-8. Toggle Mode, TRM = 0
0
0
DSP56303 User’s Manual, Rev. 2
first event
first event
N
N
N + 1
N + 1
M
First toggle = M - N clock periods
Second and later toggles = 2
M
M + 1
N
0
pulse width =
M - N clock
periods
N + 1
1
24
clock periods
Operating Modes
9-9