MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 360

• 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

8.3.8 Timer Bypass
In this mode, the counter and prescaler cannot be enabled. However TGATE and
TOUTx can be used for I/O. This mode can be selected by programming the CR MODE
bits to 111.
TGATE can be used as a simple input port when the CR is configured as follows:
CR
TGATE AS A SIMPLE INPUT
X-Don’t care
When TGATE is asserted, the SR ON bit is set. When TGATE is negated, the ON bit is
cleared. The value of the TGL bit in the SR reflects the level of TGATE . TGATE can
also be used as an input port that generates interrupts on a low-to-high transition of
TGATE when the CR is configured as follows:
CR
TGATE AS AN INPUT/INTERRUPT
When TGATE is negated, the SR TG bit is set, and the programmed IRQx signal is
asserted to the CPU32. The TG bit can only be cleared by writing a one to this bit position.
The value of the SR TGL bit reflects the level of TGATE .
Additionally, TOUTx can be used as a simple output port when the CR is configured as
follows:
CR
TGATE AS A SIMPLE OUTPUT
SWR must be a zero to change the value of TOUTx. Changing the value of the CR OCx
bits determines the level of TOUTx as shown in Table 8-1.
8-16
SWR
SWR
SWR
15
15
15
X
X
0
IE2
IE2
IE2
14
14
14
X
X
X
IE1
IE1
IE1
13
13
13
0
1
X
IE0
IE0
IE0
12
12
12
X
X
X
TGE
TGE
TGE
11
11
11
Freescale Semiconductor, Inc.
X
1
X
For More Information On This Product,
PCLK
PCLK
PCLK
10
10
10
X
X
X
MC68340 USER’S MANUAL
Go to: www.freescale.com
CPE
CPE
CPE
9
1
9
1
9
1
CLK
CLK
CLK
8
X
8
X
8
X
POT2
POT2
POT2
7
X
7
X
7
X
POT1
POT1
POT1
6
X
6
X
6
X
POT0
POT0
POT0
5
X
5
X
5
X
MODE2 MODE1 MODE0
MODE2 MODE1 MODE0
MODE2 MODE1 MODE0
4
1
4
1
4
1
3
1
3
1
3
1
2
1
2
1
2
1
MOTOROLA
OC1
OC1
OC1
OC1
1
X
1
X
1
OC0
OC0
OC0
OC0
0
X
0
X
0