MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 44

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MC68HC705B16CFN

Manufacturer Part Number
MC68HC705B16CFN
Description
IC MCU 2.1MHZ 15K OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705B16CFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Size
15KB (15K x 8)
Program Memory Type
OTP
Eeprom Size
256 x 8
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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3
3.4
There are two areas of self-check ROM (ROMI and ROMII) located from $0200 to $02BF (192
bytes) and $1F00 to $1FEF (240 bytes) respectively.
Freescale
3-2
$0000
$0020
$0050
$00C0
$0100
$0101
$0120
$0200
$02C0
$0800
$1F00
$1FF0
$1FF2–3
$1FF4–5
$1FF6–7
$1FF8–9
$1FFA–B
$1FFC–D
$1FFE–F
Timer output compare 1& 2
Stack
Timer input capture 1 & 2
Non protected (31 bytes)
Protected (224 bytes)
Reset/power-on reset
Self-check ROM
Self-check ROM II
Self-check ROM I
MC68HC05B6
OPTR (1 byte)
Timer overflow
Page 0 User
External IRQ
(176 bytes)
(5888 bytes)
(240 bytes)
(256 bytes)
(192 bytes)
(48 bytes)
User ROM
EEPROM
(32 bytes)
ROM
RAM
SWI
SCI
I/O
Figure 3-1 Memory map of the MC68HC05B6
MEMORY AND REGISTERS
User vectors
(14 bytes)
Reserved
EEPROM/ECLK control register
Alternate counter high register
Alternate counter low register
Port B data direction register
Port C data direction register
Port A data direction register
Pulse length modulation A
Pulse length modulation B
A/D status/control register
Port D input data register
Compare high register 1
Compare high register 2
Compare low register 1
Compare low register 2
Capture high register 1
Capture high register 2
Miscellaneous register
SCI baud rate register
Capture low register 1
Capture low register 2
SCI control register 1
SCI control register 2
Timer control register
Counter high register
Timer status register
Counter low register
Port C data register
Port A data register
Port B data register
SCI status register
A/D data register
SCI data register
Options register
Registers
MC68HC05B6
Rev. 4.1
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$0100

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