Datasheet
PIC32MZ Embedded Connectivity with Floating Point Unit (EF) Family
DS60001320B-page 330 Preliminary 2015 Microchip Technology Inc.
REGISTER 20-1: SQI1XCON1: SQI XIP CONTROL REGISTER 1
Bit
Range
Bit
31/23/15/7
Bit
30/22/14/6
Bit
29/21/13/5
Bit
28/20/12/4
Bit
27/19/11/3
Bit
26/18/10/2
Bit
25/17/9/1
Bit
24/16/8/0
31:24
U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — — DDRDATA DDRDUMMY DDRMODE DDRADDR DDRCMD
23:16
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DUMMYBYTES<2:0> ADDRBYTES<2:0> READOPCODE<7:6>
15:8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
READOPCODE<5:0> TYPEDATA<1:0>
7:0
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
TYPEDUMMY<1:0> TYPEMODE<1:0> TYPEADDR<1:0> TYPECMD<1:0>
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 31-29 Unimplemented: Read as ‘0’
bit 28 DDRDATA: SQI Data DDR Mode bit
1 = SQI data bytes are transferred in DDR mode
0 = SQI data bytes are transferred in SDR mode
bit 27 DDRDUMMY: SQI Dummy DDR Mode bit
1 = SQI dummy bytes are transferred in DDR mode
0 = SQI dummy bytes are transferred in SDR mode
bit 26 DDRMODE: SQI DDR Mode bit
1 = SQI mode bytes are transferred in DDR mode
0 = SQI mode bytes are transferred in SDR mode
bit 25 DDRADDR: SQI Address Mode bit
1 = SQI address bytes are transferred in DDR mode
0 = SQI address bytes are transferred in SDR mode
bit 24 DDRCMD: SQI DDR Command Mode bit
1 = SQI command bytes are transferred in DDR mode
0 = SQI command bytes are transferred in SDR mode
bit 23-21 DUMMYBYTES<2:0>: Transmit Dummy Bytes bits
111 = Transmit seven dummy bytes after the address bytes
•
•
•
011 = Transmit three dummy bytes after the address bytes
010 = Transmit two dummy bytes after the address bytes
001 = Transmit one dummy bytes after the address bytes
000 = Transmit zero dummy bytes after the address bytes
bit 20-18 ADDRBYTES<2:0>: Address Cycle bits
111 = Reserved
•
•
•
101 = Reserved
100 = Four address bytes
011 = Three address bytes
010 = Two address bytes
001 = One address bytes
000 = Zero address bytes