mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 522

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

PWM Electrical Specifications
The values in Table 23-24 correspond to Figure 23-24.
23.14 PWM Electrical Specifications
Table 23-25 lists PWM timings.
1
1
2
23-28
PW1
PW2
Name
Name
QSPI_CS[3:0]
T is defined as clock period in nS. See Table 23-6.
All timing references to SDCLK are given to its rising edge when bit 3 of the SDRAM control register is 0.
Parameter tested
QS1
QS2
QS3
QS4
QS5
QSPI_DOUT
QSPI_CLK
QSPI_DIN
2
2
QSPI_CS[3:0] to QSPI_CLK
QSPI_CLK high to QSPI_DOUT valid.
QSPI_CLK high to QSPI_DOUT invalid. (Output hold)
QSPI_DIN to QSPI_CLK (Input setup)
QSPI_DIN to QSPI_CLK (Input hold)
SDLCK high to PWM_OUT[2:0] valid, high or low.
SDLCK high to PWM_OUT[2:0] invalid. (Output hold)
QS1
Table 23-24. QSPI Modules AC Timing Specifications
Table 23-25. PWM Modules AC Timing Specifications
QS3
Figure 23-24. QSPI Timing
Characteristic
Characteristic
QS2
MCF5272 User’s Manual
1
QS4
Min
Min
1T
2.5
10
10
—
—
0
0–66 MHz
0–66 MHz
1
QS5
127T
Max
Max
20
—
—
—
11
—
MOTOROLA
1
Unit
Unit
nS
nS
nS
nS
nS
nS
nS