参数资料
型号: MC16S2CPU20B1
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 20.97 MHz, MICROCONTROLLER, PQFP100
封装: TQFP-100
文件页数: 83/104页
文件大小: 812K
代理商: MC16S2CPU20B1
MOTOROLA
MC68HC16S2
8
MC68HC16S2TS/D
2.2 Power Connections
2.3 Output Driver Types
2.4 Signal Characteristics
Table 3 MCU Power Connections
Pin
Description
VSTBY
Standby RAM power
VDDSYN
Clock synthesizer power
VSSE VDDE
External periphery output driver power (source and drain)
VSSI, VDDI
Internal module power (source and drain)
Table 4 MCU Output Driver Types
Type
I/O
Description
A
O
Output only signals that are always driven; no external pull-up required
Aw
O
Type A output with weak P-channel pull-up during reset
B
O
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.
Bo
O
Type B output that can be operated in an open-drain mode.
Table 5 MCU Signal Characteristics
Signal Name
MCU Module
Signal Type
Active State
ADDR[23:0]
SIM
Bus
AS
SIM
Output
0
AVEC
SIM
Input
0
BERR
SIM
Input
0
BG
SIM
Output
0
BGACK
SIM
Input
0
BKPT
CPU16
Input
0
BR
SIM
Input
0
CLKOUT
SIM
Output
CS[10:0]
SIM
Output
0
CSBOOT
SIM
Output
0
DATA[15:0]
SIM
Bus
DS
SIM
Output
0
DSACK[1:0]
SIM
Input
0
DSCLK
CPU16
Input
DSI
CPU16
Input
DSO
CPU16
Output
EXTAL
SIM
Input
FC[2:0]
SIM
Output
FREEZE
SIM
Output
1
HALT
SIM
Input/Output
0
IPIPE[1:0]
CPU16
Output
IRQ[7:1]
SIM
Input
0
MODCLK
SIM
Input
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For More Information On This Product,
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