参数资料
型号: MC68CK338CPV14B1
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 14.4 MHz, MICROCONTROLLER, PQFP144
封装: PLASTIC, TQFP-144
文件页数: 101/133页
文件大小: 944K
代理商: MC68CK338CPV14B1
MC68CK338
MOTOROLA
MC68CK338TS/D
7
2 Signal Descriptions
2.1 Pin Characteristics
Table 2 shows MCU pins and their characteristics. All inputs detect CMOS logic levels. All inputs can
be put in a high-impedance state, but the method of doing this differs depending upon pin function. Re-
fer to Table 4 for a description of output drivers. An entry in the discrete I/O column of Table 2 indicates
that a pin has an alternate I/O function. The port designation is given when it applies. Refer to Figure
1 for information about port organization.
Table 2 MCU Pin Characteristics
Pin
Mnemonic
Output
Driver
Input
Synchronized
Input
Hysteresis
Discrete
I/O
Port
Designation
ADDR23/CS10
A
Yes
No
ADDR[22:19]/CS[9:6]
A
Yes
No
O
PC[6:3]
ADDR[18:0]
A
Yes
No
AS
B
Yes
No
I/O
PE5
AVEC
B
Yes
No
I/O
PE2
BERR
B
Yes1
No
BG/CS1
B
———
BGACK/CS2
B
Yes
No
BKPT/DSCLK
Yes
BR/CS0
B
Yes
No
CLKOUT
A
CSBOOT
B
———
CTD[29:26]
Ao
Yes
I/O
CTD[10:4]
Ao
Yes
I/O
CTIO[5:0]
A
Yes
I/O
CTM31L
A
Yes
I
CTS24[B:A]
A
Yes
I/O
CTS18[B:A]
A
Yes
I/O
CTS14[B:A]
A
Yes
I/O
DATA[15:0]
Aw
Yes2
No
DS
B
Yes
No
I/O
PE4
DSACK[1:0]
B
Yes
No
I/O
PE[1:0]
DSI/IFETCH
A
Yes
DSO/IPIPE
A
———
EXRTC
Yes
EXTAL
Yes
FC[2:0]/CS[5:3]
A
Yes
No
O
PC[2:0]
FREEZE/QUOT
A
HALT
Bo
No
IRQ[7:1]
B
Yes
I/O
PF[7:1]
MISO
Bo
Yes
I/O
PQS0
MODCLK
B
No
I/O
PF0
MOSI
Bo
Yes
I/O
PQS1
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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