MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 21

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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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Table
Number
MC68HC05B6
Rev. 4.1
1-1
2-1
3-1
3-2
3-3
4-1
6-1
6-2
6-3
6-4
6-5
6-6
8-1
8-2
9-1
9-2
9-3
10-1
10-2
10-3
10-4
10-5
10-6
10-7
10-8
10-9
11-1
11-2
11-3
11-4
11-5
11-6
11-7
Data sheet appendices....................................................................................... 1–1
Mode of operation selection ............................................................................... 2–1
EEPROM control bits description ....................................................................... 3–4
Register outline................................................................................................... 3–8
IRQ sensitivity..................................................................................................... 3–9
I/O pin states ...................................................................................................... 4–2
Method of receiver wake-up ............................................................................. 6–11
SCI clock on SCLK pin ..................................................................................... 6–13
First prescaler stage ......................................................................................... 6–18
Second prescaler stage (transmitter) ............................................................... 6–18
Second prescaler stage (receiver).................................................................... 6–19
SCI baud rate selection .................................................................................... 6–20
A/D clock selection ............................................................................................. 8–4
A/D channel assignment..................................................................................... 8–5
Effect of RESET, POR, STOP and WAIT............................................................ 9–5
Interrupt priorities ............................................................................................... 9–7
IRQ sensitivity..................................................................................................... 9–9
MUL instruction ................................................................................................ 10–5
Register/memory instructions........................................................................... 10–5
Branch instructions ........................................................................................... 10–6
Bit manipulation instructions............................................................................. 10–6
Read/modify/write instructions ......................................................................... 10–7
Control instructions........................................................................................... 10–7
Instruction set (1 of 2)....................................................................................... 10–8
Instruction set (2 of 2)....................................................................................... 10–9
M68HC05 opcode map................................................................................... 10–10
Absolute maximum ratings ............................................................................... 11–1
DC electrical characteristics for 5V operation................................................... 11–2
DC electrical characteristics for 3.3V operation................................................ 11–5
A/D characteristics for 5V operation ................................................................. 11–8
A/D characteristics for 3.3V operation .............................................................. 11–9
Control timing for 5V operation ....................................................................... 11–10
Control timing for 3.3V operation .................................................................... 11–11
LIST OF TABLES
LIST OF TABLES
TITLE
Freescale
Number
Page
xiii

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