MKL25Z32VFM4 Datasheet, PDF (49/53 Pages) Freescale Semiconductor, Inc – Part numbers for the chip have fields that identify the specific part.

Pinout
PTE0
1
PTE1
2
PTE2
3
PTE3
4
PTE4
5
PTE5
6
VDD
7
VSS
8
USB0_DP
9
USB0_DM
10
VOUT33
11
VREGIN
12
PTE20
13
PTE21
14
PTE22
15
PTE23
16
VDDA
17
VREFH
18
VREFL
19
VSSA
20
60
VDD
59
VSS
58
PTC3/LLWU_P7
57
PTC2
56
PTC1/LLWU_P6/RTC_CLKIN
55
PTC0
54
PTB19
53
PTB18
52
PTB17
51
PTB16
50
PTB11
49
PTB10
48
PTB9
47
PTB8
46
PTB3
45
PTB2
44
PTB1
43
PTB0/LLWU_P5
42
RESET_b
41
PTA19
Figure 17. KL25 80-pin LQFP pinout diagram
KL25 Sub-Family Data Sheet Data Sheet, Rev. 3, 9/19/2012.
Freescale Semiconductor, Inc.
49