MC908QB4CDWE Freescale Semiconductor, MC908QB4CDWE Datasheet - Page 174

• Manufacturer Part Number: MC908QB4CDWE
• Description: IC MCU 8BIT 4K FLASH 16-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908QB4CDWE

• 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 ~ 85°C
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Processor Series: HC08QB
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: ESCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 13
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 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
• Controller Family/series: HC08
• No. Of I/o's: 14
• Ram Memory Size: 128Byte
• Cpu Speed: 8MHz
• No. Of Timers: 4
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Serial Peripheral Interface (SPI) Module
15.8.3 SPI Data Register
The SPI data register consists of the read-only receive data register and the write-only transmit data
register. Writing to the SPI data register writes data into the transmit data register. Reading the SPI data
register reads data from the receive data register. The transmit data and receive data registers are
separate registers that can contain different values. See
R7–R0/T7–T0 — Receive/Transmit Data Bits
174
Reset:
Read:
Write:
Do not use read-modify-write instructions on the SPI data register because
the register read is not the same as the register written.
Bit 7
R7
T7
Figure 15-15. SPI Data Register (SPDR)
R6
T6
6
MC68HC908QB8 Data Sheet, Rev. 3
R5
T5
5
Unaffected by reset
NOTE
R4
T4
4
Figure
R3
T3
3
15-2.
R2
T2
2
R1
T1
1
Freescale Semiconductor
Bit 0
R0
T0