System Configuration and Protection
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
6-45
6.2.2.4.9
Periodic Interrupt Timer Count Register (PITC)
The PITC register contains the 16-bits to be loaded in a modulus counter. This register is readable and
writable at any time.
6.2.2.4.10
Periodic Interrupt Timer Register (PITR)
The periodic interrupt register is a read-only register that shows the current value in the periodic interrupt
down counter. Read or writing this register does not affect the register.
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Field
PITC
Reset
Unaffected
Addr
0x2F C244
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
LSB
31
Field
—
Reset
Unaffected
Figure 6-39. Periodic Interrupt Timer Count (PITC)
Table 6-21. PITC Bit Descriptions
Bits
Name
Description
0:15
PITC
Periodic interrupt timing count. This field contains the 16-bit value to be loaded into the modulus
counter that is loaded into the periodic timer. This register is readable and writable at any time.
16:31
—
Reserved
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Field
PIT
Reset
Unaffected
Addr
0x2F C248
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
LSB
31
Field
—
Reset
Unaffected
Figure 6-40. Periodic Interrupt Timer Register (PITR)
Table 6-22. PIT Bit Descriptions
Bits
Name
Description
0:15
PIT
Periodic interrupt timing count—This field contains the current count remaining for the periodic
timer. Writes have no effect on this field.
16:31
—
Reserved
Summary of Contents for MPC561
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Page 144: ...Signal Descriptions MPC561 MPC563 Reference Manual Rev 1 2 2 46 Freescale Semiconductor...
Page 206: ...Central Processing Unit MPC561 MPC563 Reference Manual Rev 1 2 3 62 Freescale Semiconductor...
Page 302: ...Reset MPC561 MPC563 Reference Manual Rev 1 2 7 14 Freescale Semiconductor...
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Page 968: ...Development Support MPC561 MPC563 Reference Manual Rev 1 2 23 54 Freescale Semiconductor...
Page 1144: ...Internal Memory Map MPC561 MPC563 Reference Manual Rev 1 2 B 34 Freescale Semiconductor...
Page 1212: ...TPU3 ROM Functions MPC561 MPC563 Reference Manual Rev 1 2 D 60 Freescale Semiconductor...
Page 1216: ...Memory Access Timing MPC561 MPC563 Reference Manual Rev 1 2 E 4 Freescale Semiconductor...