MC908GZ60CFJE Freescale Semiconductor, MC908GZ60CFJE Datasheet - Page 177

• Manufacturer Part Number: MC908GZ60CFJE
• Description: IC MCU 60K FLASH 8MHZ 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908GZ60CFJE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Controller Family/series: HC08
• No. Of I/o's: 21
• Ram Memory Size: 2KB
• Cpu Speed: 8MHz
• No. Of Timers: 2
• Embedded Interface Type: CAN, SCI, SPI
• Rohs Compliant: Yes
• Processor Series: HC08GZ
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: CAN, ESCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68EML08GZE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 24 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

DDRB7–DDRB0 — Data Direction Register B Bits
Figure 13-8
When bit DDRBx is a 1, reading address $0001 reads the PTBx data latch. When bit DDRBx is a 0,
reading address $0001 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.
These read/write bits control port B data direction. Reset clears DDRB7–DDRB0, configuring all port
B pins as inputs.
DDRB
Bit
0
1
1 = Corresponding port B pin configured as output
0 = Corresponding port B pin configured as input
shows the port B I/O logic.
Avoid glitches on port B pins by writing to the port B data register before
changing data direction register B bits from 0 to 1.
PTB
X
Bit
X
(1)
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
READ DDRB ($0005)
WRITE DDRB ($0005)
WRITE PTB ($0001)
READ PTB ($0001)
Input, Hi-Z
I/O Pin
Output
Mode
Table 13-3. Port B Pin Functions
(2)
RESET
Figure 13-8. Port B I/O Circuit
Table 13-3
Accesses to DDRB
NOTE
DDRB7–DDRB0
DDRB7–DDRB0
DDRBx
PTBx
Read/Write
summarizes the operation of the port B pins.
PTB7–PTB0
Read
Pin
Accesses to PTB
PTBx
PTB7–PTB0
PTB7–PTB0
Write
Port B
(3)
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