PIC18F2420-I/SOC01 Microchip, PIC18F2420-I/SOC01 Datasheet - Page 121
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PIC18F2420-I/SOC01
Manufacturer Part Number
PIC18F2420-I/SOC01
Description
28 pin, 16 kb flash, 3804 ram, 25 i/o...
Manufacturer
Microchip
Datasheet
1.PIC18F2420-ISOC01.pdf
(412 pages)
- Current page: 121 of 412
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TABLE 10-9:
TABLE 10-10: SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
© 2008 Microchip Technology Inc.
PORTE
LATE
TRISE
ADCON1
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by PORTE.
Note 1:
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
MCLR/V
Legend:
Note 1:
Name
(2)
2:
2:
Pin
PP
/RE3
Implemented only when Master Clear functionality is disabled (MCLRE Configuration bit = 0).
RE3 is the only PORTE bit implemented on both 28-pin and 40/44-pin devices. All other bits are
implemented only when PORTE is implemented (i.e., 40/44-pin devices).
DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer; ANA = Analog level input/output;
x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
RE3 is available on both 28-pin and 40/44-pin devices. All other PORTE pins are only implemented on 40/44-pin
devices.
RE3 does not have a corresponding TRIS bit to control data direction.
(1)
Bit 7
IBF
—
—
—
PORTE I/O SUMMARY
Function
MCLR
RE0
AN5
RE1
AN6
RE2
AN7
RE3
WR
V
RD
CS
PP
Bit 6
OBF
—
—
—
Setting
TRIS
—
—
—
0
1
1
1
0
1
1
1
0
1
1
1
(2)
VCFG1
IBOV
Bit 5
I/O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
—
—
PIC18F2420/2520/4420/4520
Type
ANA
ANA
ANA
ANA
DIG
TTL
DIG
TTL
DIG
TTL
I/O
ST
ST
ST
ST
ST
PSPMODE
VCFG0
Bit 4
—
—
LATE<0> data output; not affected by analog input.
PORTE<0> data input; disabled when analog input enabled.
PSP read enable input (PSP enabled).
A/D input channel 5; default input configuration on POR.
LATE<1> data output; not affected by analog input.
PORTE<1> data input; disabled when analog input enabled.
PSP write enable input (PSP enabled).
A/D input channel 6; default input configuration on POR.
LATE<2> data output; not affected by analog input.
PORTE<2> data input; disabled when analog input enabled.
PSP write enable input (PSP enabled).
A/D input channel 7; default input configuration on POR.
External Master Clear input; enabled when MCLRE Configuration bit is
set.
High-voltage detection; used for ICSP™ mode entry detection. Always
available regardless of pin mode.
PORTE<3> data input; enabled when MCLRE Configuration bit is
clear.
RE3
PCFG3
Bit 3
—
—
(1,2)
LATE Data Latch Register
TRISE2
PCFG2
Bit 2
RE2
Description
TRISE1
PCFG1
Bit 1
RE1
TRISE0
PCFG0
Bit 0
DS39631E-page 119
RE0
on page
Values
Reset
52
52
52
51
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