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2002 Microchip Technology Inc. Preliminary DS30298D-page 1
PIC16C7XX
This document includes the programming
specifications for the following devices:
1.0 PROGRAMMING THE
PIC16C7XX
The PIC16C7XX can be programmed using a serial
method. In Serial mode, the PIC16C7XX can be pro-
grammed while in the users system. This allows for
increased design flexibility. This programming specifi-
cation applies to PIC16C7XX devices in all packages.
1.1 Hardware Requirements
The PIC16C7XX requires two programmable power
supplies, one for V
DD (2.5V to 6.5V recommended) and
one for V
PP (12V to 14V). Both supplies should have a
minimum resolution of 0.25V.
1.2 Programming Mode
The Programming mode for the PIC16C7XX allows
programming of user program memory, special loca-
tions used for ID, and the configuration word for the
PIC16C7XX.
Pin Diagrams
• PIC16C717
• PIC16C770
• PIC16C771
• PIC16C781
• PIC16C782
18-Pin PDIP, SOIC, Windowed CERDIP
PIC16C717
RB3/CCP1/P1A
RB2/SCK/SCL
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT
VDD
RB7/T1OSI/P1D
RB6/T1OSO/T1CKI/P1C
RB5/SDO/P1B
RB4/SDI/SDA
RA0/AN0
RA1/AN1/LVDIN
RA4/T0CKI
RA5/MCLR
/VPP
VSS
RA2/AN2/VREF-/VRL
RA3/AN3/V
REF+/VRH
RB0/AN4/INT
RB1/AN5/SS
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
AVDD
AVSS
10
11
PIC16C770/771
20-Pin PDIP, SOIC, SSOP, Windowed CERDIP
RB3/CCP1/P1A
RB2/SCK/SCL
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT
V
DD
RB7/T1OSI/P1D
RB6/T1OSO/T1CKI/P1C
RB5/SDO/P1B
RB4/SDI/SDA
RA0/AN0
RA1/AN1/LVDIN
RA4/T0CKI
RA5/MCLR
/VPP
VSS
RA2/AN2/VREF-/VRL
RA3/AN3/V
REF+/VRH
RB0/AN4/INT
RB1/AN5/SS
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
AVDDAVSS
10
11
PIC16C717
20-Pin SSOP
RA0/AN0
RA1/AN1/LVDIN
RA4/T0CKI
RA5/MCLR
/VPP
VSS
RA2/AN2/VREF-/VRL
RA3/AN3/V
REF+/VRH
RB0/AN4/INT
RB1/AN5/SS
RB3/CCP1/P1A
RB2/SCK/SCL
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT
V
DD
RB7/T1OSI/P1D
RB6/T1OSO/T1CKI/P1C
RB5/SDO/P1B
RB4/SDI/SDA
1
2
3
4
5
6
7
8
910
11
12
13
14
15
16
17
18
RB3/AN7/OPA
RB2/AN6
RA7/OSC1/CLKIN
RA6/OSC2/CLKOUT/T1CKI
V
DD
RB7/C2/PSMC1B/T1G
RB6/C1/PSMC1A
RB5
RB4
RA0/AN0/OPA+
RA1/AN1/OPA-
RA4/T0CKI
RA5/MCLR
/VPP
VSS
RA2/AN2/VREF2
RA3/AN3/V
REF1
RB0/INT/AN4/V
R
RB1/AN5/VDAC
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
AVDD
AVSS
10
11
PDIP, Windowed CERDIP, SOIC, SSOP
PIC16C781/782
Programming Specifications for PIC16C7XX OTP MCUs
