S9S12P64J0MFT Freescale Semiconductor, S9S12P64J0MFT Datasheet - Page 345
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S9S12P64J0MFT
Manufacturer Part Number
S9S12P64J0MFT
Description
MCU 64K FLASH AUTO 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S9S12P32J0MFT.pdf
(566 pages)
Specifications of S9S12P64J0MFT
Core Processor
HCS12
Core Size
16-Bit
Speed
32MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN Exposed Pad
Processor Series
S12P
Core
HCS12
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, DEMO9S12PFAME
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Read: always read 0x0000 in normal modes
Write: unimplemented in normal modes
10.3.2.12 PWM Channel Counter Registers (PWMCNTx)
Each channel has a dedicated 8-bit up/down counter which runs at the rate of the selected clock source.
The counter can be read at any time without affecting the count or the operation of the PWM channel. In
left aligned output mode, the counter counts from 0 to the value in the period register – 1. In center aligned
output mode, the counter counts from 0 up to the value in the period register and then back down to 0.
Any value written to the counter causes the counter to reset to 0x0000, the counter direction to be set to
up, the immediate load of both duty and period registers with values from the buffers, and the output to
change according to the polarity bit. The counter is also cleared at the end of the effective period (see
Section 10.4.2.5, “Left Aligned Outputs,”
details). When the channel is disabled (PWMEx = 0), the PWMCNTx register does not count. When a
channel becomes enabled (PWMEx = 1), the associated PWM counter starts at the count in the
PWMCNTx register. For more detailed information on the operation of the counters, reference
Section 10.4.2.4, “PWM Timer Counters.”
In concatenated mode, writes to the 16-bit counter by using a 16-bit access or writes to either the low- or
high-order byte of the counter will reset the 16-bit counter. Reads of the 16-bit counter must be made by
16-bit access to maintain data coherency.
Freescale Semiconductor
Module Base + 0x000B
Reset
W
R
0
0
7
Writing to these registers when in special modes can alter the PWM
functionality.
Writing to the counter while the channel is enabled can cause an irregular
PWM cycle to occur.
= Unimplemented or Reserved
0
0
6
Figure 10-14. Reserved Register (PWMSCNTB)
S12P-Family Reference Manual, Rev. 1.13
0
0
5
and
Section 10.4.2.6, “Center Aligned Outputs,”
NOTE
NOTE
0
0
4
Pulse-Width Modulator (PWM8B6CV1) Block Description
0
0
3
0
0
2
0
0
1
for more
0
0
0
345
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