PIC16CE62X
FIGURE 3-1:
BLOCK DIAGRAM
Data Memory
(RAM)
EEPROM DATA
MEMORY
Device
Program Memory
PIC16CE623
PIC16CE624
PIC16CE625
512 X 14
1K X14
2K X 14
96 X 8
96 X 8
128 X 8
128 X 8
128 X 8
128 X 8
Voltage
Reference
13
8
Data Bus
RAM
Program Counter
EPROM
Program
Memory
8 Level Stack
(13-bit)
File
Registers
Program
Bus
14
RAM Addr (1)
9
Comparator
RA0/AN0
Addr MUX
Instruction reg
RA1/AN1
-
+
Indirect
Addr
7
Direct Addr
RA2/AN2/VREF
RA3/AN3
8
-
+
FSR reg
STATUS reg
TMR0
3
MUX
Power-up
Timer
RA4/T0CKI
Instruction
Decode &
Control
Oscillator
Start-up Timer
ALU
Power-on
Reset
Timing
Generation
W reg
I/O Ports
Watchdog
Timer
OSC1/CLKIN
OSC2/CLKOUT
Brown-out
Reset
PORTB
SCL
SDA
VDD
MCLR VDD, VSS
EEPROM
Data
Memory
128x8
EEINTF
Note 1: Higher order bits are from the STATUS register.
DS40182A-page 8
Preliminary
1998 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
