S912XEG128J2VAL
| Model | S912XEG128J2VAL |
| Description | IC,MICROCONTROLLER,16-BIT,CPU12 CPU,CMOS,QFP,112PIN,PLASTIC |
| PDF file | Total 1327 pages (File size: 7M) |
| Chip Manufacturer | ROCHESTER |
Chapter 17 Periodic Interrupt Timer (S12PIT24B8CV2)
Table 17-5. PITMUX Field Descriptions
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not
available from Freescale for import or sale in the United States prior to September 2010: S12XE products in 208 MAPBGA packages
Field
7:0
PMUX[7:0]
Description
PIT Multiplex Bits for Timer Channel 7:0
— These bits select if the corresponding 16-bit timer is connected to
micro time base 1 or 0. If PMUX is modified, the corresponding 16-bit timer is immediately switched to the other
micro time base.
0 The corresponding 16-bit timer counts with micro time base 0.
1 The corresponding 16-bit timer counts with micro time base 1.
17.3.0.5
PIT Interrupt Enable Register (PITINTE)
7
6
5
4
3
2
1
0
Module Base + 0x0004
R
W
Reset
PINTE7
0
PINTE6
0
PINTE5
0
PINTE4
0
PINTE3
0
PINTE2
0
PINTE1
0
PINTE0
0
Figure 17-7. PIT Interrupt Enable Register (PITINTE)
Read: Anytime
Write: Anytime
Table 17-6. PITINTE Field Descriptions
Field
7:0
PINTE[7:0]
Description
PIT Time-out Interrupt Enable Bits for Timer Channel 7:0
— These bits enable an interrupt service request
whenever the time-out flag PTF of the corresponding PIT channel is set. When an interrupt is pending (PTF set)
enabling the interrupt will immediately cause an interrupt. To avoid this, the corresponding PTF flag has to be
cleared first.
0 Interrupt of the corresponding PIT channel is disabled.
1 Interrupt of the corresponding PIT channel is enabled.
17.3.0.6
PIT Time-Out Flag Register (PITTF)
7
6
5
4
3
2
1
0
Module Base + 0x0005
R
W
Reset
PTF7
0
PTF6
0
PTF5
0
PTF4
0
PTF3
0
PTF2
0
PTF1
0
PTF0
0
Figure 17-8. PIT Time-Out Flag Register (PITTF)
Read: Anytime
Write: Anytime (write to clear)
MC9S12XE-Family Reference Manual , Rev. 1.19
666
Freescale Semiconductor
