參數(shù)資料
型號: MC68CK338CPV14
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 14.4 MHz, MICROCONTROLLER, PQFP144
封裝: PLASTIC, TQFP-144
文件頁數(shù): 112/133頁
文件大?。?/td> 944K
代理商: MC68CK338CPV14
MOTOROLA
MC68CK338
8
MC68CK338TS/D
2.2 MCU Power Connections
2.3 MCU Driver Types
NOTES:
1. HALT and BERR synchronized only if late HALT or BERR.
2. DATA[15:0] synchronized during reset only. MODCLK and QSM pins synchronized only if used as port I/O pins.
PCS0/SS
Bo
Yes
I/O
PQS3
PCS[3:1]
Bo
Yes
I/O
PQS[6:4]
RESET
Bo
Yes
RMC
A
Yes
I/O
PE3
R/W
A
Yes
No
RXD
No
Yes
SCK
Bo
Yes
I/O
PQS2
SIZ[1:0]
B
Yes
No
I/O
PE[7:6]
TSC
Yes
TXD
Bo
Yes
I/O
PQS7
XFC
XRTC
XTAL
Table 3 MCU Power Connections
VDDSYN
Clock Synthesizer
VDDE, VSSE
External periphery power (source and drain)
VDDI, VSSI
Internal module power (source and drain)
VRTC
RTCSM/RAMSM standby power
VSSRTCOSC
Ground connection for real-time clock oscillator
Table 4 MCU Output Driver Types
Type
Description
A
Output-only signals that are always driven; no external pull-up required
Ao
Type A output that can be operated in an open drain mode
Aw
Type A output with weak P-channel pull-up during reset
B
Three-state output that includes circuitry to pull up output before high impedance
is established, to ensure rapid rise time. An external holding resistor is required to
maintain logic level while the pin is in the high-impedance state.
Bw
Type B output with weak P-channel pull-up during reset
Bo
Type B output that can be operated in an open-drain mode
Table 2 MCU Pin Characteristics (Continued)
Pin
Mnemonic
Output
Driver
Input
Synchronized
Input
Hysteresis
Discrete
I/O
Port
Designation
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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