MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 132

• Manufacturer Part Number: MC68340AG25E
• Description: IC MPU 32BIT 25MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68340AG25E

• Processor Type: M683xx 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Controller Family/series: 68K
• Core Size: 32 Bit
• No. Of I/o's: 16
• Cpu Speed: 25MHz
• No. Of Timers: 2
• Embedded Interface Type: UART
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Processor Series: M683xx
• Core: CPU32
• Maximum Clock Frequency: 25 MHz
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Details

4.3.5.5 PORT B PIN ASSIGNMENT REGISTER (PPARB). PPARB controls the function
of each port B pin. Any set bit defines the corresponding pin to be an IRQ input or CS
as defined in Table 4-5. Any cleared bit defines the corresponding pin to be a discrete I/O
pin (or CS if the FIRQ bit of the MCR is zero) controlled by the port B data and data
direction registers. The MODCK signal has no function after reset. PPARB is configured to
all ones at reset to provide for MODCK, IRQ7 , IRQ6 , IRQ5 , IRQ3 , and CS3 – CS0 . This
register can be read or written at any time.
4.3.5.6 PORT B DATA DIRECTION REGISTER (DDRB). DDRB controls the direction of
the pin drivers when the pins are configured as I/O. Any set bit configures the
corresponding pin as an output; any cleared bit configures the corresponding pin as an
input. This register affects only pins configured as discrete I/O. This register can be read
or written at any time.
4.3.5.7 PORT B DATA REGISTER (PORTB, PORTB1). This is a single register that can
be accessed at two different addresses. This register affects only those pins configured as
discrete I/O. A write is stored in the internal data latch, and if any port B pin is configured
as an output, the value stored for that bit is driven on the pin. A read of this register
returns the value stored in the register only if the pin is configured as a discrete output.
Otherwise, the value read is the value of the pin. This register can be read or written at
any time.
MOTOROLA
PPARB
PPARB7
RESET:
(IRQ7)
1
7
DDRB
PORTB, PORTB1
RESET:
RESET:
Freescale Semiconductor, Inc.
DD7
P7
0
U
7
7
PPARB6
For More Information On This Product,
(IRQ6)
1
6
DD6
P6
0
U
6
6
PPARB5
(IRQ5)
MC68340 USER’S MANUAL
Go to: www.freescale.com
1
5
DD5
P5
0
U
5
5
PPARB4
(IRQ4)
DD4
1
4
P4
0
U
4
4
PPARB3
(IRQ3)
DD3
P3
0
U
3
3
1
3
Supervisor/User
Supervisor/User
DD2
PPARB2
P2
0
U
(IRQ2)
2
2
1
2
Supervisor Only
$019, 01B
DD1
P1
0
U
1
1
PPARB1
(IRQ1)
1
1
$01D
DD0
P0
0
U
0
0
(MODCK)
PPARB0
$01F
1
0
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