MC908QB8CPE Freescale Semiconductor, MC908QB8CPE Datasheet - Page 157
![IC MCU 8BIT 8K FLASH 16-DIP](/photos/12/35/123578/mc908qb8cpe_sml.jpg)
MC908QB8CPE
Manufacturer Part Number
MC908QB8CPE
Description
IC MCU 8BIT 8K FLASH 16-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QB8CDWE.pdf
(236 pages)
Specifications of MC908QB8CPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-DIP (0.300", 7.62mm)
For Use With
DEMO908QB8 - BOARD DEMO FOR MC68HC908QB8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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15.3 Functional Description
The SPI module allows full-duplex, synchronous, serial communication between the MCU and peripheral
devices, including other MCUs. Software can poll the SPI status flags or SPI operation can be interrupt
driven.
The following paragraphs describe the operation of the SPI module.
Freescale Semiconductor
SPMSTR
RECEIVER/ERROR INTERRUPT REQUEST
DIVIDER
CLOCK
TRANSMITTER INTERRUPT REQUEST
BUSCLK
÷ 128
SPE
÷ 32
÷ 2
÷ 8
SPR1
SELECT
CLOCK
Figure 15-2. SPI Module Block Diagram
SPR0
MC68HC908QB8 Data Sheet, Rev. 3
7
CONTROL
TRANSMIT DATA REGISTER
RECEIVE DATA REGISTER
6
SPI
SHIFT REGISTER
INTERNAL BUS
5
4
3
MODF
OVRF
SPRF
SPTE
SPMSTR
2
1
MODFEN
ERRIE
SPTIE
SPRIE
SPE
0
CLOCK
LOGIC
CPHA
CPOL
SPWOM
M
S
CONTROL
LOGIC
PIN
Functional Description
MISO
MOSI
SPSCK
SS
157
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