Datasheet

MCF51AC256 Family Configurations
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Freescale Semiconductor 5
Figure 1. MCF51AC256 Series Block Diagram
Port B
PTB3/AD1P3
PTB4/AD1P4
PTB5/AD1P5
PTB2/AD1P2
PTB1/TPM3CH1/AD1P1
PTB0/TPM3CH0/AD1P0
PTB6/AD1P6
PTB7/AD1P7
Port D
PTD3/KBI1P6/AD1P11
PTD4/FTM2CLK/AD1P12
PTD5/AD1P13
PTD2/KBI1P5/AD1P10/ACMP1O
PTD1/AD1P9/ACMP1–
PTD0/AD1P8/ACMP1+
PTD6/FTM1CLK/AD1P14
PTD7/KBI1P7/AD1P15
Port C
PTC3/TxD2
PTC4/SS2
PTC5/RxD2
PTC2/MCLK
PTC1/SDA1
PTC0/SCL1
PTC6/FTM2FLT
Port F
PTF3/RGPIO11/FTM1CH5
PTF4/RGPIO12/FTM2CH0
PTF5/RGPIO13/FTM2CH1
PTF2/RGPIO10/FTM1CH4
PTF1/RGPIO9/FTM1CH3
PTF0/RGPIO8/FTM1CH2
PTF6/RGPIO14/FTM1FLT
PTF7/RGPIO15
Port E
PTE3/RGPIO3/FTM1CH1
PTE4/RGPIO4/SS1
PTE5/RGPIO5/MISO1
PTE2/RGPIO2/FTM1CH0
PTE1/RGPIO1/RxD1
PTE0/RGPIO0/TxD1
PTE6/RGPIO6/MOSI1
PTE7/RGPIO7/SPSCK1
Por t G
PTG3/KBI1P3/AD1P18
PTG4/KBI1P4/AD1P19
PTG5/XTAL
PTG2/KBI1P2
PTG1/KBI1P1
PTG0/KBI1P0
PTG6/EXTAL
Port H
PTH3/FTM2CH5/BKPT/AD1P23
PTH4/SPSCK2
PTH2/FTM2CH4/PSTCLK1/AD1P22
PTH1/FTM2CH3/PSTCLK0/AD1P21
PTH0/FTM2CH2/AD1P20
Port J
PTJ3/PST3
PTJ4/DDATA0
PTJ2/PST2
PTJ1/PST1
PTJ0/PST0
Por t A
PTA3/ACMP2O
PTA4/ACMP2–
PTA5/ACMP2+
PTA2
PTA1/RxCAN
PTA0/TxCAN
PTA6/AD1P16
PTA7/AD1P17
ADC
V
REFH
V
REFL
V
DDA
V
SSA
CAN
TPMCLK
FTM1
TPMCLK
SPI1
SCI1
MCG
VREG
SIM
ColdFire V1 core
Port G:
EXTAL
XTAL
Port E:
RxD1
TxD1
Port E:
SS1
SPSCK1
MOSI1
MISO1
Port F:
FTM1CH5
FTM1CH4
FTM1CH3
FTM1CH2
Port E:
FTM1CH1
FTM1CH0
TPM3
Port B:
TPM3CH1
TPM3CH0
Port A:
RxCAN
TxCAN
IIC
Port C:
SDA1
SCL1
SCI2
Port C:
RxD2
TxD2
Port B:
AD1P7–
AD1P0
Port D:
AD1P15–
AD1P8
SPI2
Port H:
SPSCK2
MOSI2
MISO2
KBI
Port G:
KBI1P4
KBI1P3
KBI1P1
Port D:
KBI1P7
KBI1P6
KBI1P5
KBI1P2
RGPIO
Port F:
RGPIO15
RGPIO14
RGPIO13
RGPIO12
RGPIO11
RGPIO10
RGPIO9
RGPIO8
Port E:
RGPIO7
RGPIO6
RGPIO5
RGPIO4
RGPIO3
RGPIO2
RGPIO1
RGPIO0
ACMP1
Port D:
ACMP1O
ACMP1–
ACMP1+
RTI
IRQ/
V
REFH
V
REFL
V
DDA
V
SSA
BKGD/MS
RESET
V
DD
V
SS
V
SS
COP
FLASH
MCF51AC256A/B = 256 KB
OSC
DBG
FTM2
TPMCLK Port H:
FTM2CH5
FTM2CH4
FTM2CH3
FTM2CH2
Port F:
FTM2CH1
FTM2CH0
Port A:
ADP17–
ADP16
Port G:
ADP19–
ADP18
Port H:
ADP23–
ADP20
ACMP2
Port A:
ACMP2O
ACMP2–
ACMP2+
PTH6/MISO2
PTH5/MOSI2
PTJ7/DDATA3
PTJ6/DDATA2
PTJ5/DDATA1
TPMCLK
CRC
VBUS
Port J:
DDATA3-
DDATA0
PST0
Port H:
PSTCLK
BKPT
PST3-
KBI1P0
MCF51AC128A/C = 128 KB
RAM
MCF51AC256A/B = 32 KB
MCF51AC128A = 32 KB
BDM
LVD IRQ
MCF51AC128C = 16 KB
Port C:
SS2
LPO