PIC16C923-04I/CL Microchip Technology, PIC16C923-04I/CL Datasheet - Page 11

• Manufacturer Part Number: PIC16C923-04I/CL
• Description: 8-Bit CMOS Microcontroller with LCD Driver
• Manufacturer: Microchip Technology

FIGURE 3-2: PIC16C924 BLOCK DIAGRAM
1997 Microchip Technology Inc.
OSC1/CLKIN
OSC2/CLKOUT
Timer0
Program
Bus
Instruction reg
Generation
Instruction
Decode &
14
EPROM
Program
Control
Memory
Timing
4K x 14
A/D
Synchronous
8
13
Serial Port
MCLR
Direct Addr
Start-up Timer
Program Counter
8 Level Stack
Watchdog
Power-up
Oscillator
Power-on
Reset
Timer
Timer
(13-bit)
V
DD
, V
Timer1, Timer2,
7
SS
CCP1
RAM Addr
8
Data Bus
3
Addr MUX
Registers
W reg
176 x 8
ALU
RAM
File
STATUS reg
FSR reg
MUX
9
LCD
8
Indirect
8
Addr
PORTC
PORTD
PORTG
PORTA
PORTB
PORTE
PORTF
PIC16C9XX
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS
RB0/INT
RB1-RB7
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RD0-RD4/SEGnn
RD5-RD7/SEGnn/COMn
RE0-RE7/SEGnn
RF0-RF7/SEGnn
RG0-RG7/SEGnn
COM0
V
V
V
C1
C2
VLCDADJ
LCD
LCD
LCD
DS30444E - page 11
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