Datasheet

 2012-2013 Microchip Technology Inc. DS60001185C-page 213
PIC32MX330/350/370/430/450/470
20.0 PARALLEL MASTER PORT
(PMP)
The PMP is a parallel 8-bit/16-bit input/output module
specifically designed to communicate with a wide
variety of parallel devices, such as communications
peripherals, LCDs, external memory devices and
microcontrollers. Because the interface to parallel
peripherals varies significantly, the PMP module is
highly configurable.
The following are key features of the PMP module:
• 8-bit,16-bit interface
• Up to 16 programmable address lines
• Up to two Chip Select lines
• Programmable strobe options
- Individual read and write strobes, or
- Read/write strobe with enable strobe
• Address auto-increment/auto-decrement
• Programmable address/data multiplexing
• Programmable polarity on control signals
• Parallel Slave Port support
- Legacy addressable
- Address support
- 4-byte deep auto-incrementing buffer
• Programmable Wait states
• Operate during CPU Sleep and Idle modes
• Fast bit manipulation using CLR, SET and INV
registers
• Freeze option for in-circuit debugging
FIGURE 20-1: PMP MODULE PINOUT AND CONNECTIONS TO EXTERNAL DEVICES
Note 1: This data sheet summarizes the features
of the PIC32MX330/350/370/430/450/
470 family of devices. It is not intended to
be a comprehensive reference source.
To complement the information in this
data sheet, refer to Section 13. “Parallel
Master Port (PMP)” (DS60001128) in
the “PIC32 Family Reference Manual”
,
which is available from the Microchip web
site (www.microchip.com/PIC32).
2: Some registers and associated bits
described in this section may not be
available on all devices. Refer to
Section 4.0 “Memory Organization” in
this data sheet for device-specific register
and bit information.
Note: On 64-pin devices, data pins PMD<15:8>
are not available in 16-bit Master modes.
PMA<0>
PMA<14>
PMRD
PMWR
PMENB
PMRD/PMWR
PMCS1
PMA<1>
PMA<13:2>
PMALL
PMALH
Flash
Address Bus
Data Bus
Control Lines
LCD
FIFO
Microcontroller
8-bit/16-bit Data (with or without multiplexed addressing)
Up to 16-bit Address
Parallel
Buffer
PMD<7:0>
Master Port
EEPROM
SRAM
Note: On 64-pin devices, data pins PMD<15:8> are not available in 16-bit Master modes.
PMD<15:8>
(1)
PMA<15>
PMCS2