DM300023 Microchip Technology, DM300023 Datasheet - Page 251

• Manufacturer Part Number: DM300023
• Description: KIT DEMO DSPICDEM SMPS BUCK
• Manufacturer: Microchip Technology
• Series: dsPIC™r

Specifications of DM300023

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Input: 7 ~ 15V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: dsPIC30F2020
• Processor To Be Evaluated: dsPIC30F202x/1010
• Interface Type: RS-232
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 21-6:
TABLE 21-20: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS
© 2006 Microchip Technology Inc.
AC CHARACTERISTICS
TA10
TA11
TA15
OS60
TA20
Param
No.
Note: “x” refers to Timer Type A or Timer Type B.
T
T
T
Ft1
T
TxCK
CKEXTMRL
TX
TX
TX
Symbol
TMRX
H
L
P
Refer to Figure 21-1 for load conditions.
TIMER EXTERNAL CLOCK TIMING CHARACTERISTICS
TxCK High Time
TxCK Low Time
TxCK Input Period Synchronous,
SOSC1/T1CK oscillator input
frequency range (oscillator enabled
by setting bit TCS (T1CON, bit 1))
Delay from External TxCK Clock
Edge to Timer Increment
Characteristic
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
Synchronous,
no prescaler
Synchronous,
with prescaler
Asynchronous
no prescaler
Synchronous,
with prescaler
Asynchronous
Tx10
Preliminary
Standard Operating Conditions: 3.3V and 5.0V (±10%)
(unless otherwise stated)
Operating temperature
Tx15
OS60
0.5 T
0.5 T
(T
Greater of:
T
CY
20 ns or
0.5 T
CY
Min
dsPIC30F1010/202X
DC
CY
10
10
CY
10
10
+ 40)/N
20
Tx11
+ 10
CY
+ 20
+ 20
Typ
—
—
—
—
—
—
—
—
—
—
-40°C
-40°C T
1.5 T
Max
50
—
—
—
—
—
—
—
—
—
T
A
A
Tx20
CY
+85°C for Industrial
+125°C for Extended
Units
kHz
ns
ns
ns
ns
ns
ns
ns
ns
—
—
DS70178C-page 249
Must also meet
parameter TA15
Must also meet
parameter TA15
N = prescale
value
(1, 8, 64, 256)
Conditions