PIC16F913/914/916/917/946
1.0
DEVICE OVERVIEW
The PIC16F91X/946 devices are covered by this data
sheet. They are available in 28/40/44/64-pin packages.
Figure 1-1 shows a block diagram of the PIC16F913/916
device, Figure 1-2 shows a block diagram of the
PIC16F914/917 device, and Figure 1-3 shows a block
diagram of the PIC16F946 device. Table 1-1 shows the
pinout descriptions.
FIGURE 1-1:
PIC16F913/916 BLOCK DIAGRAM
INT
Configuration
13
8
PORTA
Data Bus
Program Counter
RA0
RA1
RA2
RA3
RA4
RA5
RA7
Flash
4K/8K x 14
Program
Memory
RAM
256/352 bytes
File
8-Level Stack (13-bit)
Registers
Program
Bus
14
Program Memory Read
(PMR)
RAM Addr
9
PORTB
RB0
Addr MUX
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Instruction Reg
Indirect
Addr
7
Direct Addr
8
FSR Reg
STATUS Reg
8
PORTC
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
3
MUX
Power-up
Timer
Instruction
Decode and
Control
Oscillator
Start-up Timer
ALU
OSC1/CLKIN
OSC2/CLKOUT
Power-on
Reset
8
Timing
Generation
Watchdog
Timer
W Reg
PORTE
Brown-out
Reset
Internal
RE3/MCLR
Oscillator
Block
VDD
VSS
Data EEPROM
256 bytes
Timer0
Timer1
Timer2
10-bit A/D
Addressable
USART
Comparators
CCP1
SSP
PLVD
LCD
© 2007 Microchip Technology Inc.
DS41250F-page 15
MICROCHIP [ MICROCHIP ]
