參數(shù)資料
型號： MC68HC705CJ4FB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 23/114頁
文件大小： 4047K
代理商： MC68HC705CJ4FB
GENERAL RELEASE SPECIFICATION
MEMORY
Rev. 2.1
2-1
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SECTION 2
MEMORY
2.1 Introduction
The MC68HC05CJ4 contains 3840 mask ROM, 240 bytes of self-check ROM, and
224 bytes of RAM. An additional 16 bytes of mask ROM is provided for user vectors
at $1FF0 through $1FFF.
In the MC68HC705CJ4 (EPROM device), ROM and user vector areas are
replaced by the EPROM cell, and self-check ROM becomes bootstrap ROM.
Figure 2-1. MC68HC(7)05CJ4 Memory Map
$0000
$001F
$0020
$00C0
$00FF
$0100
$1000
$1F00
$1FDF
$1FE0
$1FEF
$1FF0
$1FFF
RAM
224 BYTES
STACK 64 BYTES
224 BYTES
UNUSED
RESERVED
USER VECTORS
$00
$01
$02
$03
$04
$05
$06
$07
$08
$09
$0A
$0B
$0C
$0D
$0E
$0F
$10
$11
$12
$13
$14
$15
$16
$17
$18
$19
$1A
$1B
$1C
$1D
$1E
$1F
PORT A DATA REGISTER
PORT B DATA REGISTER
PORT A DATA DIRECTION REG
PORT B DATA DIRECTION REG
PORT C DATA REGISTER
PORT D DATA REGISTER
PORT C DATA DIRECTION REG
PROGRAM CONTROL REGISTER
TIMER COUNTER REGISTER
SPI CONTROL REGISTER
MBUS CONTROL REGISTER
TIMER CONTROL REGISTER
TIMER STATUS REGISTER
OUTPUT COMPARE REGISTER (H)
OUTPUT COMPARE REGISTER (L)
INPUT CAPTURE REGISTER (H)
INPUT CAPTURE REGISTER (L)
TIMER COUNTER (H)
TIMER COUNTER (L)
ALTERNATE COUNTER (H)
ALTERNATE COUNTER (L)
MBUS ADD AND DATA REGISTER
FOR EPROM PARTS ONLY
MASK ROM 3840 BYTES
(EPROM 3840 BYTES)
SELF-TEST ROM
(BOOTSTRAP ROM)
I/O
32 BYTES
TIMER STATUS AND CONTROL
SPI STATUS REGISTER
SPI DATA REGISTER
SCI BAUD RATE REGISTER
SCI CONTROL REGISTER 1
SCI CONTROL REGISTER 2
SCI STATUS REGISTER
SCI DATA REGISTER
MBUS STATUS REGISTER
RESERVED
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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