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: 127/128页
文件大小: 571K
代理商: SPMC16V1CPU20
MOTOROLA
MC68HC16V1
98
MC68HC16V1TS/D
DDRQS determines whether pins are inputs or outputs. Clearing a bit makes the corresponding pin an
input; setting a bit makes the pin an output. DDRQS affects both QSPI function and I/O function. Table
53 shows the effect of DDRQS on QSM pin functions.
1. PQS2 is a digital I/O pin unless the SPI is enabled
(SPE in SPCR1 set), in which case it becomes SPI
serial clock SCK.
2. PQS7 is a digital I/O pin unless the SCI transmitter
is enabled (TE in SCCR1 = 1), in which case it be-
comes SCI serial output TXD.
Table 52 PQSPAR Pin Assignments
PQSPAR Field
PQSPAR Bit
Pin Function
PQSPA0
0
PQS0
1
MISO
PQSPA1
0
PQS1
1
MOSI
PQS21
SCK
PQSPA3
0
PQS3
1
PCS0/SS
PQSPA4
0
PQS4
1
PCS1
PQSPA5
0
PQS5
1
PCS2
PQSPA6
0
PQS6
1
PCS3
PQS72
TXD
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