DEMO9S12XEP100 Freescale Semiconductor, DEMO9S12XEP100 Datasheet - Page 672

• Manufacturer Part Number: DEMO9S12XEP100
• Description: BOARD DEMO FOR MC9S12XEP100
• Manufacturer: Freescale Semiconductor
• Type: MCUr

Specifications of DEMO9S12XEP100

• Contents: Board, Cables, CD
• Processor To Be Evaluated: MC9S12XEP100
• Data Bus Width: 16 bit
• Interface Type: RS-232
• Silicon Manufacturer: Freescale
• Core Architecture: S12
• Core Sub-architecture: S12
• Silicon Core Number: MC9S12
• Silicon Family Name: S12XE
• Rohs Compliant: Yes
• For Use With/related Products: MC9S12XEP100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 17 Periodic Interrupt Timer (S12PIT24B8CV2)
Read: Anytime
Write: Has no meaning or effect
672
Module Base + 0x0016, 0x0017
Module Base + 0x001A, 0x001B
Module Base + 0x001E, 0x001F
Module Base + 0x0022, 0x0023
Module Base + 0x0026, 0x0027
Reset
Reset
Reset
Reset
Reset
PCNT[15:0]
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
W
W
W
W
W
Field
R PCNT
R PCNT
R PCNT
R PCNT
R PCNT
15:0
15
15
15
15
15
15
15
15
15
15
0
0
0
0
0
PIT Count Bits 15-0 — These bits represent the current 16-bit modulus down-counter value. The read access
for the count register must take place in one clock cycle as a 16-bit access.
PCNT
PCNT
PCNT
PCNT
PCNT
14
14
14
14
14
14
14
14
14
14
0
0
0
0
0
PCNT
PCNT
PCNT
PCNT
PCNT
13
13
13
13
13
13
13
13
13
13
0
0
0
0
0
PCNT
PCNT
PCNT
PCNT
PCNT
12
12
12
12
12
12
12
12
12
12
0
0
0
0
0
Figure 17-22. PIT Count Register 3 (PITCNT3)
Figure 17-23. PIT Count Register 4 (PITCNT4)
Figure 17-24. PIT Count Register 5 (PITCNT5)
Figure 17-25. PIT Count Register 6 (PITCNT6)
Figure 17-26. PIT Count Register 7 (PITCNT7)
MC9S12XE-Family Reference Manual , Rev. 1.23
Table 17-10. PITCNT0–7 Field Descriptions
PCNT
PCNT
PCNT
PCNT
PCNT
11
11
11
11
11
11
11
11
11
11
0
0
0
0
0
PCNT
PCNT
PCNT
PCNT
PCNT
10
10
10
10
10
10
10
10
10
10
0
0
0
0
0
PCN
PCN
PCN
PCN
PCN
T9
T9
T9
T9
T9
0
0
0
0
0
9
9
9
9
9
Description
PCN
PCN
PCN
PCN
PCN
T8
T8
T8
T8
T8
0
0
0
0
0
8
8
8
8
8
PCN
PCN
PCN
PCN
PCN
T7
T7
T7
T7
T7
7
0
7
0
7
0
7
0
7
0
PCN
PCN
PCN
PCN
PCN
T6
T6
T6
T6
T6
0
0
0
0
0
6
6
6
6
6
PCN
PCN
PCN
PCN
PCN
T5
T5
T5
T5
T5
0
0
0
0
0
5
5
5
5
5
PCN
PCN
PCN
PCN
PCN
T4
T4
T4
T4
T4
0
0
0
0
0
4
4
4
4
4
PCN
PCN
PCN
PCN
PCN
T3
T3
T3
T3
T3
Freescale Semiconductor
0
0
0
0
0
3
3
3
3
3
PCN
PCN
PCN
PCN
PCN
T2
T2
T2
T2
T2
0
0
0
0
0
2
2
2
2
2
PCN
PCN
PCN
PCN
PCN
T1
T1
T1
T1
T1
0
0
0
0
0
1
1
1
1
1
PCN
PCN
PCN
PCN
PCN
T0
T0
T0
T0
T0
0
0
0
0
0
0
0
0
0
0