mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 57

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Section Number
46.3
46.4
46.5
Freescale Semiconductor, Inc.
Memory Map and Registers..........................................................................................................................................1186
46.3.1
46.3.2
46.3.3
46.3.4
46.3.5
46.3.6
46.3.7
46.3.8
46.3.9
46.3.10 Port Digital Filter Enable Register (PCTLx_DFE)........................................................................................1196
46.3.11 Port Digital Filter Control Register (PCTLx_DFC).......................................................................................1197
Functional description...................................................................................................................................................1198
46.4.1
46.4.2
46.4.3
46.4.4
Reset..............................................................................................................................................................................1206
Port Pulling Enable Register (PCTLx_PUE).................................................................................................1190
Port Pullup/Pulldown Select Register (PCTLx_PUS)...................................................................................1191
Port Drive Strength Enable Register (PCTLx_DS)........................................................................................1191
Port Slew Rate Enable Register (PCTLx_SRE).............................................................................................1192
Port Passive Filter Enable Register (PCTLx_PFE)........................................................................................1192
Port Interrupt Control Register (PCTLx_IC).................................................................................................1193
Port Interrupt Pin Enable Register (PCTLx_IPE)..........................................................................................1194
Port Interrupt Flag Register (PCTLx_IF).......................................................................................................1195
Interrupt Edge Select Register (PCTLx_IES)................................................................................................1196
Port data logic................................................................................................................................................1198
46.4.1.1
46.4.1.2
46.4.1.3
Port control.....................................................................................................................................................1200
Pin interrupt....................................................................................................................................................1201
46.4.3.1
46.4.3.2
46.4.3.3
46.4.3.4
46.4.3.5
Digital filters..................................................................................................................................................1204
46.4.4.1
Operation when EGPIO controls pin.........................................................................................1199
Operation when another on-chip module controls pin...............................................................1200
Pin value register........................................................................................................................1200
Edge only sensitivity..................................................................................................................1202
Edge and level sensitivity..........................................................................................................1203
Control of pullup/pulldown resistors.........................................................................................1203
Asynchronous interrupt in stop mode........................................................................................1204
Pin interrupt initialization..........................................................................................................1204
Initialization of digital filters.....................................................................................................1205
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Preliminary
Title
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57