ADSP-BF512KSWZ-3 Analog Devices Inc, ADSP-BF512KSWZ-3 Datasheet - Page 44

• Manufacturer Part Number: ADSP-BF512KSWZ-3
• Description: Low-Power Blackfin Processor
• Manufacturer: Analog Devices Inc
• Series: Blackfin®r
• Type: Fixed Pointr

Specifications of ADSP-BF512KSWZ-3

• Interface: I²C, PPI, SPI, SPORT, UART/USART
• Clock Rate: 300MHz
• Non-volatile Memory: External
• On-chip Ram: 116kB
• Voltage - I/o: 1.8V, 2.5V, 3.3V
• Voltage - Core: 1.30V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP Exposed Pad, 176-eLQFP, 176-HLQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
Timer Cycle Timing
Table 41
input signal is asynchronous in “width capture mode” and
“external clock mode” and has an absolute maximum input fre-
quency of (f
Table 41. Timer Cycle Timing
1
2
Parameter
Timing Characteristics
t
t
t
t
Switching Characteristics
t
t
The minimum pulse widths apply for TMRx signals in width capture and external clock modes. They also apply to the PF15 or PPI_CLK signals in PWM output mode.
Either a valid setup and hold time or a valid pulse width is sufficient. There is no need to resynchronize programmable flag inputs.
WL
WH
TIS
TIH
HTO
TOD
2
1
2
1
and
SCLK
Figure 29
Timer Pulse Width Input Low (Measured In SCLK Cycles)
Timer Pulse Width Input High (Measured In SCLK Cycles)
Timer Input Setup Time Before CLKOUT Low
Timer Input Hold Time After CLKOUT Low
Timer Pulse Width Output (Measured In SCLK Cycles)
Timer Output Update Delay After CLKOUT High
/2) MHz.
TMRx OUTPUT
TMRx INPUT
CLKOUT
describe timer expired operations. The
Rev. B | Page 44 of 68 | January 2011
t
TIS
Figure 29. Timer Cycle Timing
t
WH
,t
t
WL
TIH
Min
t
t
10
–2
t
SCLK
SCLK
SCLK
t
TOD
– 1.5
1.8V Nominal
V
DDEXT
Max
(2
6
32
t
HTO
–1)t
SCLK
Min
t
t
7
–2
t
SCLK
SCLK
SCLK
2.5 V/3.3V Nominal
– 1
V
DDEXT
Max
(2
6
32
–1)t
SCLK
Unit
ns
ns
ns
ns
ns
ns