MC908QB4MDTE Freescale Semiconductor, MC908QB4MDTE Datasheet - Page 57
MC908QB4MDTE
Manufacturer Part Number
MC908QB4MDTE
Description
IC MCU 8BIT 4K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QB8CDWE.pdf
(236 pages)
Specifications of MC908QB4MDTE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
16-TSSOP
Processor Series
HC08QB
Core
HC08
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
3-Wire, ESCI, SPI, UART
Number Of Programmable I/os
13
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Chapter 5
Configuration Register (CONFIG)
5.1 Introduction
This section describes the configuration registers (CONFIG1 and CONFIG2). The configuration registers
enable or disable the following options:
5.2 Functional Description
The configuration registers are used in the initialization of various options. The configuration registers can
be written once after each reset. Most of the configuration register bits are cleared during reset. Since the
various options affect the operation of the microcontroller unit (MCU) it is recommended that this register
be written immediately after reset. The configuration registers are located at $001E and $001F, and may
be read at anytime.
Freescale Semiconductor
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Stop mode recovery time (32 × BUSCLKX4 cycles or 4096 × BUSCLKX4 cycles)
STOP instruction
Computer operating properly module (COP)
COP reset period (COPRS): 8176 × BUSCLKX4 or 262,128 × BUSCLKX4
Low-voltage inhibit (LVI) enable and trip voltage selection
Auto wakeup timeout period
Allow clock source to remain enabled in STOP
Enable IRQ pin
Disable IRQ pin pullup device
Enable RST pin
Clock source selection for the enhanced serial communication interface (ESCI) module
Reset:
Read:
Write:
POR:
The CONFIG registers are one-time writable by the user after each reset.
Upon a reset, the CONFIG registers default to predetermined settings as
shown in
IRQPUD
Bit 7
R
0
0
Figure 5-1
= Reserved
Figure 5-1. Configuration Register 2 (CONFIG2)
IRQEN
6
0
0
and
MC68HC908QB8 Data Sheet, Rev. 3
R
5
0
0
Figure
U = Unaffected
5-2.
R
4
0
0
NOTE
R
3
0
0
ESCIBDSRC OSCENINSTOP
2
0
0
1
0
0
RSTEN
Bit 0
U
0
57
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