Getac Technology Corporation V110GD 用户手册
PIC32MX1XX/2XX
DS61168C-page 226
Preliminary
© 2011 Microchip Technology Inc.
REGISTER 26-1:
DEVCFG0: DEVICE CONFIGURATION WORD 0
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
r-0
r-1
r-1
R/P
r-1
r-1
r-1
R/P
—
—
—
CP
—
—
—
BWP
23:16
r-1
r-1
r-1
r-1
r-1
r-1
r-1
r-1
—
—
—
—
—
—
—
—
15:8
R/P
R/P
R/P
R/P
R/P
R/P
r-1
r-1
PWP<5:0>
—
—
7:0
r-1
r-1
r-1
R/P
R/P
R/P
R/P
R/P
—
—
—
ICESEL<1:0>
(2)
JTAGEN
(1)
DEBUG<1:0>
Legend:
r = Reserved bit
P = Programmable bit
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
Reserved:
Write ‘0’
bit 30-29 Reserved: Write ‘1’
bit 28
bit 28
CP:
Code-Protect bit
Prevents boot and program Flash memory from being read or modified by an external pro-
gramming device.
1
gramming device.
1
= Protection is disabled
0
= Protection is enabled
bit 27-25 Reserved: Write ‘1’
bit 24
bit 24
BWP:
Boot Flash Write-Protect bit
Prevents boot Flash memory from being modified during code execution.
1
1
= Boot Flash is writable
0
= Boot Flash is not writable
bit 23-16 Reserved: Write ‘1’
Note 1:
This bit sets the value for the JTAGEN bit in the CFGCON register.
2:
The PGEC4/PGED4 pin pair is not available on all devices. Refer to the
section for
availability.