MC908MR32CFUE Freescale Semiconductor, MC908MR32CFUE Datasheet - Page 111

• Manufacturer Part Number: MC908MR32CFUE
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908MR32CFUE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 44
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Processor Series: HC08MR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI/SPI
• Maximum Clock Frequency: 8.2 MHz
• Number Of Programmable I/os: 44
• Number Of Timers: 6
• Operating Supply Voltage: 0 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, M68CBL05CE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 10-18
When bit DDRFx is a logic 1, reading address $0009 reads the PTFx data latch. When bit DDRFx is a
logic 0, reading address $0009 reads the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
Freescale Semiconductor
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
DDRF Bit
0
1
shows the port F I/O logic.
READ DDRF ($000D)
WRITE DDRF ($000D)
WRITE PTF ($0009)
READ PTF ($0009)
PTF Bit
X
X
(1)
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
I/O Pin Mode
Input, Hi-Z
Table 10-6. Port F Pin Functions
RESET
Figure 10-18. Port F I/O Circuit
Output
(2)
Table 10-6
DDRFx
PTFx
Accesses to DDRF
Read/Write
DDRF[6:0]
DDRF[6:0]
summarizes the operation of the port F pins.
PTF[6:0]
Read
Pin
Accesses to PTF
PTF[6:0]
PTF[6:0]
PTFx
Write
(3)
Port F
111