Microchip Technology MA330031-2 Data Sheet
2011-2013 Microchip Technology Inc.
DS70000657H-page 319
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
REGISTER 22-3:
CTMUICON: CTMU CURRENT CONTROL REGISTER
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
ITRIM5
ITRIM4
ITRIM3
ITRIM2
ITRIM1
ITRIM0
IRNG1
IRNG0
bit 15
bit 8
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
—
—
bit 7
bit 0
Legend:
R = Readable 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 15-10
ITRIM<5:0>:
Current Source Trim bits
011111
= Maximum positive change from nominal current + 62%
011110
= Maximum positive change from nominal current + 60%
•
•
•
•
•
000010
= Minimum positive change from nominal current + 4%
000001
= Minimum positive change from nominal current + 2%
000000
= Nominal current output specified by IRNG<1:0>
111111
= Minimum negative change from nominal current – 2%
111110
= Minimum negative change from nominal current – 4%
•
•
•
•
•
100010
= Maximum negative change from nominal current – 60%
100001
= Maximum negative change from nominal current – 62%
bit 9-8
IRNG<1:0>:
Current Source Range Select bits
11
= 100
Base Current
10
= 10
Base Current
01
= Base Current Level
(
)
00
= 1000
Base Current
bit 7-0
Unimplemented:
Read as ‘0’
Note 1:
This current range is not available to be used with the internal temperature measurement diode.
2:
Refer to the CTMU Current Source Specifications (
for the current range selection values.