S912XET256J2VAGR Freescale Semiconductor, S912XET256J2VAGR Datasheet - Page 684

• 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 18 Periodic Interrupt Timer (S12PIT24B4CV2)
18.3.0.6
Read: Anytime
Write: Anytime (write to clear)
18.3.0.7
Read: Anytime
Write: Anytime
684
Module Base + 0x0005
Module Base + 0x0006
Module Base + 0x0007
PTF[3:0]
Reset
Reset
Reset
Field
3:0
W
W
W
R
R
R
PMTLD7
PMTLD7
PIT Time-out Flag Bits for Timer Channel 3:0 — PTF is set when the corresponding 16-bit timer modulus
down-counter and the selected 8-bit micro timer modulus down-counter have counted to zero. The flag can be
cleared by writing a one to the flag bit. Writing a zero has no effect. If flag clearing by writing a one and flag setting
happen in the same bus clock cycle, the flag remains set. The flag bits are cleared if the PIT module is disabled
or if the corresponding timer channel is disabled.
0 Time-out of the corresponding PIT channel has not yet occurred.
1 Time-out of the corresponding PIT channel has occurred.
PIT Time-Out Flag Register (PITTF)
PIT Micro Timer Load Register 0 to 1 (PITMTLD0–1)
0
0
0
0
7
7
7
PMTLD6
PMTLD6
Figure 18-10. PIT Micro Timer Load Register 1 (PITMTLD1)
Figure 18-9. PIT Micro Timer Load Register 0 (PITMTLD0)
0
0
0
0
6
6
6
Figure 18-8. PIT Time-Out Flag Register (PITTF)
MC9S12XE-Family Reference Manual Rev. 1.25
Table 18-7. PITTF Field Descriptions
PMTLD5
PMTLD5
0
0
0
0
5
5
5
PMTLD4
PMTLD4
0
0
0
0
4
4
4
Description
PMTLD3
PMTLD3
PTF3
0
0
0
3
3
3
PMTLD2
PMTLD2
PTF2
0
0
0
2
2
2
PMTLD1
PMTLD1
Freescale Semiconductor
PTF1
0
0
0
1
1
1
PMTLD0
PMTLD0
PTF0
0
0
0
0
0
0