MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 331

• 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

7.4.1.15 OUTPUT PORT CONTROL REGISTER (OPCR). The OPCR individually
configures four bits of the 8-bit parallel OP for general-purpose use or as an auxiliary
function serving the communication channels. This register can only be written when the
serial module is enabled (i.e., the STP bit in the MCR is cleared).
OP6—Output Port 6/ T RDYA
OP4—Output Port 4/ R RDYA
OP1—Output Port 1/ RTSB
7-36
1 = The OP6/ T RDYA pin functions as the transmitter-ready signal for channel A.
0 = The OP6/ T RDYA pin functions as a dedicated output. The signal reflects the
1 = The OP4/ R RDYA pin functions as the FIFO-full or receiver-ready signal for
0 = The OP4/ R RDYA pin functions as a dedicated output. The signal reflects the
1 = The OP1/ RTSB pin functions as the ready-to-send signal for channel B. The
0 = The OP1/ RTSB pin functions as a dedicated output. The signal reflects the
The signal reflects the complement of the value of bit 2 of the SRA; thus,
T RDYA is a logic zero when the transmitter is ready.
complement of the value of bit 6 of the OP.
channel A (depending on the value of bit 6 of MR1A). The signal reflects the
complement of the value of ISR bit 1; thus, R RDYA is a logic zero when the
receiver is ready.
complement of the value of bit 4 of the OP.
signal is asserted and negated according to the configuration programmed by
RxRTS bit 7 in the MR1B for the receiver and TxRTS bit 5 in the MR2B for the
transmitter.
complement of the value of bit 1 of the OP.
OP bits 7, 5, 3, and 2 are not pinned out on the MC68340; thus
changing bits 7, 5, 3, and 2 of this register has no effect.
OPCR
Write Only
T RDYB
RESET:
OP7
Freescale Semiconductor, Inc.
7
0
For More Information On This Product,
T RDYA
OP6
6
0
MC68340 USER’S MANUAL
R RDYB
Go to: www.freescale.com
OP5
5
0
R RDYA
OP4
4
0
NOTE
OP3
3
0
Supervisor/User
OP2
2
0
RTSB
OP1
1
0
$71D
RTSA
OP0
0
0
MOTOROLA