MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 550

• Manufacturer Part Number: MC9S12XDT256CAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256CAA

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 59
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: CAN/I2C/SCI/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 12
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: EVB9S12XDP512E
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 13 Periodic Interrupt Timer (S12PIT24B4CV1)
13.3.0.9
Read: Anytime
Write: Has no meaning or effect
550
Reset
Reset
Reset
Reset
PCNT[15:0]
Field
W
W
W
W
15:0
R PCNT
R PCNT
R PCNT
R PCNT
15
15
15
15
15
15
15
15
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.
PIT Count Register 0 to 3 (PITCNT0–3)
PCNT
PCNT
PCNT
PCNT
14
14
14
14
14
14
14
14
0
0
0
0
PCNT
PCNT
PCNT
PCNT
13
13
13
13
13
13
13
13
0
0
0
0
PCNT
PCNT
PCNT
PCNT
12
12
12
12
12
12
12
12
0
0
0
0
Figure 13-15. PIT Count Register 0 (PITCNT0)
Figure 13-16. PIT Count Register 1 (PITCNT1)
Figure 13-17. PIT Count Register 2 (PITCNT2)
Figure 13-18. PIT Count Register 3 (PITCNT3)
Table 13-9. PITCNT0–3 Field Descriptions
PCNT
PCNT
PCNT
PCNT
MC9S12XDP512 Data Sheet, Rev. 2.21
11
11
11
11
11
11
11
11
0
0
0
0
PCNT
PCNT
PCNT
PCNT
10
10
10
10
10
10
10
10
0
0
0
0
PCNT
PCNT
PCNT
PCNT
9
0
9
0
9
0
9
0
9
9
9
9
Description
PCNT
PCNT
PCNT
PCNT
8
0
8
0
8
0
8
0
8
8
8
8
PCNT
PCNT
PCNT
PCNT
7
0
7
0
7
0
7
0
7
7
7
7
PCNT
PCNT
PCNT
PCNT
6
0
6
0
6
0
6
0
6
6
6
6
PCNT
PCNT
PCNT
PCNT
5
0
5
0
5
0
5
0
5
5
5
5
PCNT
PCNT
PCNT
PCNT
4
0
4
0
4
0
4
0
4
4
4
4
PCNT
PCNT
PCNT
PCNT
Freescale Semiconductor
3
0
3
0
3
0
3
0
3
3
3
3
PCNT
PCNT
PCNT
PCNT
2
0
2
0
2
0
2
0
2
2
2
2
PCNT
PCNT
PCNT
PCNT
1
0
1
0
1
0
1
0
1
1
1
1
PCNT
PCNT
PCNT
PCNT
0
0
0
0
0
0
0
0
0
0
0
0