参数资料
型号: PIC16C72A-04I/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO28
封装: 0.209 INCH, PLASTIC, MS-150, SSOP-28
文件页数: 32/34页
文件大小: 2123K
代理商: PIC16C72A-04I/SS
PIC16C62B/72A
1999 Microchip Technology Inc.
Preliminary
DS35008B-page 7
2.0
MEMORY ORGANIZATION
There are two memory blocks in each of these micro-
controllers. Each block (Program Memory and Data
Memory) has its own bus, so that concurrent access
can occur.
Additional information on device memory may be found
in the PICmicro
Mid-Range Reference Manual,
(DS33023).
2.1
Program Memory Organization
The PIC16C62B/72A devices have a 13-bit program
counter capable of addressing an 8K x 14 program
memory space. Each device has 2K x 14 words of pro-
gram memory. Accessing a location above 07FFh will
cause a wraparound.
The reset vector is at 0000h and the interrupt vector is
at 0004h.
FIGURE 2-1:
PROGRAM MEMORY MAP
AND STACK
PC<12:0>
13
0000h
0004h
0005h
07FFh
0800h
1FFFh
Stack Level 1
Stack Level 8
Reset Vector
Interrupt Vector
On-chip Program
Memory
CALL, RETURN
RETFIE, RETLW
Use
rMe
mo
ry
S
pac
e
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