参数资料
型号: SPMC16V1CPU20
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 20.97 MHz, MICROCONTROLLER, PQFP100
封装: TQFP-100
文件页数: 96/128页
文件大小: 571K
代理商: SPMC16V1CPU20
MC68HC16V1
MOTOROLA
MC68HC16V1TS/D
7
2 Signal Descriptions
2.1 MC68HC16V1 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 the MCU pin
characteristics table 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
ADDR[17:16]
Aw
1
No
I/O
PC[1:0]
ADDR/DATA[15:8]
Aw
1
No
I/O
PA[7:0]
ADDR/DATA[7:0]
Aw
1
No
I/O
PB[7:0]
ALE
A
1
No
I/O
PF0
AS
Bw
1
No
I/O
PE2
BKPT/DSCLK
Yes
I/O
PD2
CLKOUT
A
1
No
I/O
PE4
CSA
Aw
1
No
I/O
PD7
CSB
B
1
No
I/O
PD6
CSC
Aw
1
No
I/O
PD5
DATA[15:8]
A
1
No
I/O
PG[7:0]
DATA[7:0]
A
1
No
I/O
PH[7:0]
DS/RD
Bw
1
No
I/O
PE1
DTACK
B
Yes
No
I/O
PD4
EBR/TSC
Bw
Yes2
Yes
EXTAL
3
——
FC[2:0]
Aw
1
No
I/O
PE[7:5]
FREEZE/QUOT
Aw
1
No
I/O
PD3
IC4/OC5
A
Yes
I/O
PGP7
IC[3:1]
A
Yes
I/O
PGP[2:0]
IPIPE1/DSI/DRCD
A
I/O
PD1
IPIPE0/DSO
A
Yes
I/O
PD0
IRQX/BERR
Bw
Yes
I/O
PF1
IRQ7
Bw
Yes
I/O
PF7
IRQ2
Bw
Yes
I/O
PF2
MISO
Bo
Yes4
Yes
I/O
PQS0
MOSI
Bo
Yes
I/O
PQS1
OC[4:1]
A
Yes
I/O
PGP[6:3]
PAI
Yes
I
PCS[3:1]
Bo
Yes
I/O
PQS[6:4]
PCS0/SS
Bo
Yes
I/O
PQS3
R/W/WR
Bw
1
No
I/O
PE0
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