PIC16C782 Microchip Technology Inc., PIC16C782 Datasheet - Page 36

• Manufacturer Part Number: PIC16C782
• Description: 8-bit Cmos Microcontrollers With A/d, D/a, Opamp, Comparators And Psmc
• Manufacturer: Microchip Technology Inc.

PIC16C781/782
FIGURE 3-8:
TABLE 3-1:
DS41171A-page 34
05h
85h
9Dh
Legend: x = unknown, u = unchanged, - = unimplemented, read as ’0’. Shaded cells are not used by PORTA.
Address
RD PORTA
WR PORTA
WR TRISA
Data Bus
RD TRISA
N/A = Not Available
Note 1: See Configuration Word F
PORTA
TRISA
ANSEL
Name
OSC MODE
LP, XT, HS
TRIS Reg.
D
D
INTRC
INTRC
Data Reg.
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
CK
CK
RC
EC
PORTA Data Direction Register
AN7
Bit 7
RA7
BLOCK DIAGRAM OF RA7/OSC1/CLKIN PIN
(1)
Q
Q
Q
Q
Bit 6
RA6
AN6
Q
Data Reg.
Bit 5
RA5
AN5
TMR1 OSCILLATOR
OSC
EN
Disabled
Enabled
D
Bit 4 Bit 3
N/A
N/A
N/A
RA4
AN4
<2:0>, Register 14-1.
To Chip Clock Drivers
Preliminary
RA3
AN3
Bit 2
RA2
AN2
T1OSCEN
(INTRC w/ CLKOUT) or
(INTRC w/o CLKOUT)
OSC2
F
V
V
OSC
P
N
DD
SS
PIN FUNCTION
<2:0>
OSC1 (TMR1)
Bit 1
RA1
AN1
Digital I/O
CLKIN
OSC1
OSC1
(1)
Oscillator
Circuit
Bit 0
RA0
AN0
EC Mode
xxxx 0000
1111 1111
1111 1111
POR, BOR
Value on:
PORTA<7> READ
2001 Microchip Technology Inc.
Pin
V
V
0
0
0
0
SS
DD
RA7/OSC1/CLKIN
other RESETS
Value on all
uuuu 0000
1111 1111
1111 1111