MC68HC16Z1CFC16 Freescale Semiconductor, MC68HC16Z1CFC16 Datasheet - Page 432

• Manufacturer Part Number: MC68HC16Z1CFC16
• Description: IC MPU 1K RAM 16MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: HC16r

Specifications of MC68HC16Z1CFC16

• Core Processor: CPU16
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

D.7.7 MCCI Data Direction Register
MDDR — MCCI Data Direction Register
D-58
RESET:
15
MDDR determines whether pins configured for general-purpose I/O are inputs or out-
puts. MDDR affects both SPI function and I/O function. During reset, all MCCI pins are
configured as inputs.
NOTES:
MCCI Pin
RXDB
TXDB
TXDA
RXDA
MISO
MOSI
SCK
1. SCK is automatically assigned to the SPI whenever the SPI is enabled (when the SPE
2. PMC4 and PMC6 function as general-purpose I/O pins when the corresponding RE bit
3. PMC5 and PMC7 function as general-purpose I/O pins when the corresponding TE bit
SS
bit in the SPCR1 is set).
in the SCI control register (SCCR0A or SCCR0B) is cleared.
in the SCI control register (SCCR0A or SCCR0B) is cleared.
1
3
3
2
Table D-40 Effect of MDDR on MCCI Pin Function
NOT USED
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Freescale Semiconductor, Inc.
—
—
—
—
Table D-40
For More Information On This Product,
MDDR Bit
Go to: www.freescale.com
DDR0
DDR1
DDR2
DDR3
DDR4
DDR5
DDR6
DDR7
REGISTER SUMMARY
shows the effect of MDDR on MCCI pin function.
8
Bit State
DDR7
7
0
—
—
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
DDR6
6
0
Serial data output from SCIB
Serial data output from SCIA
Assertion causes mode fault
Serial data output from SPI
Serial data output from SPI
Disables slave-select input
Serial data input to SCIB
Serial data input to SCIA
DDR5
Serial data input to SPI
Serial data input to SPI
Clock output from SPI
SPI slave-select input
5
0
Disables data output
Disables data output
General-purpose I/O
General-purpose I/O
General-purpose I/O
General-purpose I/O
General-purpose I/O
Disables data input
Disables data input
Clock input to SPI
Pin Function
DDR4
4
0
DDR3
3
0
M68HC16 Z SERIES
USER’S MANUAL
DDR2
2
0
$YFFC0A
DDR1
1
0
DDR0
0
0