Information
38.3 Memory map/register description
This section provides a detailed description of all registers accessible in the PIT module.
NOTE
• Reserved registers will read as 0, writes will have no effect.
• See the chip configuration details for the number of PIT channels used in this MCU.
PIT memory map
Absolute
address
(hex)
Register name
Width
(in bits)
Access Reset value
Section/
page
4003_7000 PIT Module Control Register (PIT_MCR) 32 R/W 0000_0002h 38.3.1/967
4003_7100 Timer Load Value Register (PIT_LDVAL0) 32 R/W 0000_0000h 38.3.2/968
4003_7104 Current Timer Value Register (PIT_CVAL0) 32 R/W 0000_0000h 38.3.3/969
4003_7108 Timer Control Register (PIT_TCTRL0) 32 R/W 0000_0000h 38.3.4/969
4003_710C Timer Flag Register (PIT_TFLG0) 32 R/W 0000_0000h 38.3.5/970
4003_7110 Timer Load Value Register (PIT_LDVAL1) 32 R/W 0000_0000h 38.3.2/968
4003_7114 Current Timer Value Register (PIT_CVAL1) 32 R/W 0000_0000h 38.3.3/969
4003_7118 Timer Control Register (PIT_TCTRL1) 32 R/W 0000_0000h 38.3.4/969
4003_711C Timer Flag Register (PIT_TFLG1) 32 R/W 0000_0000h 38.3.5/970
4003_7120 Timer Load Value Register (PIT_LDVAL2) 32 R/W 0000_0000h 38.3.2/968
4003_7124 Current Timer Value Register (PIT_CVAL2) 32 R/W 0000_0000h 38.3.3/969
4003_7128 Timer Control Register (PIT_TCTRL2) 32 R/W 0000_0000h 38.3.4/969
4003_712C Timer Flag Register (PIT_TFLG2) 32 R/W 0000_0000h 38.3.5/970
4003_7130 Timer Load Value Register (PIT_LDVAL3) 32 R/W 0000_0000h 38.3.2/968
4003_7134 Current Timer Value Register (PIT_CVAL3) 32 R/W 0000_0000h 38.3.3/969
4003_7138 Timer Control Register (PIT_TCTRL3) 32 R/W 0000_0000h 38.3.4/969
4003_713C Timer Flag Register (PIT_TFLG3) 32 R/W 0000_0000h 38.3.5/970
38.3.1 PIT Module Control Register (PIT_MCR)
This register enables or disables the PIT timer clocks and controls the timers when the
PIT enters the Debug mode.
Address: 4003_7000h base + 0h offset = 4003_7000h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Chapter 38 Periodic Interrupt Timer (PIT)
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
967
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