S912XET256J2VAGR Freescale Semiconductor, S912XET256J2VAGR Datasheet - Page 692

• Manufacturer Part Number: S912XET256J2VAGR
• Description: 16-bit Microcontrollers - MCU Watchdog OSC/Timer -40 C to + 105 C HCS12X MCU SPI
• Manufacturer: Freescale Semiconductor

Specifications of S912XET256J2VAGR

• Core: HCS12X
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 16 KB
• On-chip Adc: Yes
• Package / Case: LQFP
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 24
• Interface Type: CAN, SCI, SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 119
• Number Of Timers: 25
• Program Memory Type: Flash
• Supply Voltage - Max: 1.98 V, 2.9 V, 5.5 V
• Supply Voltage - Min: 1.72 V, 2.7 V, 3.13 V

Chapter 19 Pulse-Width Modulator (S12PWM8B8CV1)
In freeze mode there is a software programmable option to disable the input clock to the prescaler. This is
useful for emulation.
19.1.3
Figure 19-1
19.2
The PWM module has a total of 8 external pins.
19.2.1
This pin serves as waveform output of PWM channel 7 and as an input for the emergency shutdown
feature.
692
Bus Clock
External Signal Description
Block Diagram
PWM7 — PWM Channel 7
shows the block diagram for the 8-bit 8-channel PWM block.
PWM8B8C
Clock Select
Control
MC9S12XE-Family Reference Manual Rev. 1.25
Alignment
Polarity
Enable
Figure 19-1. PWM Block Diagram
PWM Clock
PWM Channels
Period and Duty
Period and Duty
Period and Duty
Period and Duty
Period and Duty
Period and Duty
Period and Duty
Period and Duty
Channel 7
Channel 6
Channel 5
Channel 4
Channel 3
Channel 2
Channel 1
Channel 0
Counter
Counter
Counter
Counter
Counter
Counter
Counter
Counter
Freescale Semiconductor
PWM7
PWM6
PWM5
PWM4
PWM3
PWM2
PWM0
PWM1