DSPB56364FU100 Freescale Semiconductor, DSPB56364FU100 Datasheet - Page 61

• Manufacturer Part Number: DSPB56364FU100
• Manufacturer: Freescale Semiconductor

Specifications of DSPB56364FU100

• Device Core Size: 24b
• Format: Fixed Point
• Clock Freq (max): 100MHz
• Mips: 100
• Device Input Clock Speed: 100MHz
• Ram Size: 9KB
• Program Memory Size: 24KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.14V
• Operating Supply Voltage (max): 3.46V
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / Rohs Status: Not Compliant

1
3.12.1
The programmed serial clock cycle, T
HCKR (SHI clock control register).
The expression for T
where
Freescale Semiconductor
186 First SCL sampling edge to HREQ output
187 Last SCL edge to HREQ output not
188 HREQ in assertion to first SCL edge
No.
R
P
(min) = 1.5 k¾
deassertion
deasserted
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
HRS is the prescaler rate select bit. When HRS is cleared, the fixed divide-by-eight prescaler is
operational. When HRS is set, the prescaler is bypassed.
HDM[7:0] are the divider modulus select bits.
A divide ratio from 1 to 64 (HDM[5:0] = 0 to $3F) may be selected.
Programming the Serial Clock
Characteristics
I
2
CCP
T
I
2
is
CCP
Table 3-18 SHI I
=
[
T
DSP56364 Technical Data, Rev. 4.1
I
C
2
CCP
×
2
, is specified by the value of the HDM[5:0] and HRS bits of the
0.5
2
2
0.5
2
Expression
2
2
2
×
2
×
×
×
Symbol/
T
×
T
×
×
C Protocol Timing (continued)
T
×
(
NG;RQO
AS;RQO
Standard I
×
T
T
T
AS;RQI
HDM 7 0 :
T
T
T
C
C
C
T
T
C
C
C
I
+ 208
2
C
+ 120
+ 135
+ 30
+ 30
+ 80
CCP
- 21
[
-
2
C
1
Standard-Mode
]
4327
4282
4238
Min
100
155
+
50
—
—
—
1
)
Serial Host Interface (SHI) I
×
7 (
Max
140
228
50
—
—
—
—
—
—
×
(
1 HRS
–
Min
100
155
927
882
838
50
Fast-Mode
—
—
—
)
+
1 )
]
2
C Protocol Timing
Max
140
228
50
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3-45