mcf51em256 Freescale Semiconductor, Inc, mcf51em256 Datasheet - Page 11

• Manufacturer Part Number: mcf51em256
• Description: Microcontrollers Covers Mcf51em256 Mcf51em128
• Manufacturer: Freescale Semiconductor, Inc

1.5
1.5.1
Pins not available on the 80-pin LQFP are automatically disabled for reduced current consumption. No
user interaction is needed. Software access to the functions on these pins will be ignored
Figure 2
Freescale Semiconductor
PTD4/LCD31/KBI2P4/TMRCLK1
PTD5/LCD32/KBI2P5/TMRCLK2
shows the pinout of the 80-pin LQFP.
Pinouts and Packaging
PTF1/LCD37/EXTRIG
PTD0/LCD27/KBI2P0
PTD1/LCD28/KBI2P1
PTD2/LCD29/KBI2P2
PTD3/LCD30/KBI2P3
PTD6/LCD33/KBI2P6
PTD7/LCD34/KBI2P7
Pinout: 80-Pin LQFP
PTF4/LCD40/AD16
PTF5/LCD41/AD17
PTF6/LCD42/AD18
PTF7/LCD43/AD19
PTF2/LCD38/RX3
PTF3/LCD39/TX3
LCD35/CLKOUT
PTF0/LCD36
DADP1
V
V
REFH
DDA
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Preliminary—Subject to Change Without Notice
Figure 2. 80-Pin LQFP Pinout
80 LQFP
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
MCF51EM256 Series Configurations
PTE7/LCD5
PTC7/LCD4
PTC6/LCD3/PRACMP2P5
PTC5/LCD2/PRACMP1P4
PTC4/LCD1/PRACMP2O
PTC3/LCD0/PRACMP1O
BKGD/MS/PTC2
PTC1/KBI1P7/XTAL2/TX3
PTC0/KBI1P6/EXTAL2/RX3
RESET
PTB7/RGPIO15/KBI1P5/TMRCLK2/AD15
PTB6/RGPIO14/KBI1P4/TMRCLK1/AD14
PTB5/RGPIO13/SDA/PRACMP2P3
PTB4/RGPIO12/SCL/PRACMP2P2
PTB3/RGPIO11/KBI1P3/PRACMP2P1/TX1
PTB2/RGPIO10/KBI1P2/PRACMP1P0/RX1
V
V
PTB1/RGPIO9/KBI1P1/SS3/TX2
PTB0/RGPIO8/KBI1P0/PRACMP2P0/RX2
SS
DD
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