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: 75/128页
文件大小: 571K
代理商: SPMC16V1CPU20
MOTOROLA
MC68HC16V1
50
MC68HC16V1TS/D
Port A and B data direction registers control the direction of the pin drivers for ports A and B, respec-
tively, when the pins are configured for I/O. Setting DDA or DDB to one configures all pins in the corre-
sponding port as outputs. Clearing DDA or DDB to zero configures all pins in the corresponding port as
inputs.
3.8.2 Port C Operations
Port C pins can be used as address lines or general purpose I/O. ADDR[17:16] are selected in a single
contiguous left-justified group, to form a contiguous address space with DATA[15:0].
The port C output data register latches the data to be driven on the port C output pins. When read,
PORTC always reflects the current state of the data latches. Power-on reset can change the state of
these latches. Other sources of reset have no effect.
When read, the port C pin data register reflects the current state of the port C pins, regardless of wheth-
er the pins are configured as inputs or outputs. Writes to PORTCP have no effect.
Port C data direction register bits control the direction of the port C pin drivers when the pins are con-
figured as I/O pins. When any bit in this register is set to one, the corresponding pin is configured as an
output. When any bit in this register is cleared to zero, the corresponding pin is configured as an input.
Reset clears all bits to zero.
DDRAB — Port A/B Data Direction Register
$YFFA15
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NOT USED
DDA
DDB
RESET (SINGLE-CHIP MODE):
0
PORTC — Port C Output Data Register
$YFFA18
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESERVED
PC1
PC0
PORTD
RESET:
U
PORTCP — Port C Pin Data Register
$YFFA1A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESERVED
PCP1
PCP0
PORTDP
RESET:
CURRENT STATE OF CORRESPONDING PINS
DDRC — Port C Data Direction Register
$YFFA1C
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESERVED
DDC1
DDC0
DDRD
RESET:
0
相关PDF资料
PDF描述
S1C60N05F0A0100 MICROCONTROLLER, PQFP60
SC3S12P128J0CLHR 16-BIT, MROM, 1.05 MHz, MICROCONTROLLER, PQFP64
SC3S12P128J0CLH 16-BIT, MROM, 1.05 MHz, MICROCONTROLLER, PQFP64
SC3S12P128J0CQKR 16-BIT, MROM, 1.05 MHz, MICROCONTROLLER, PQFP80
S908QY2AD1MDW 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
相关代理商/技术参数
参数描述
SPMC387-01 制造商:SSDI 制造商全称:Solid States Devices, Inc 功能描述:50 WATT RADIATION HARDENED DC-DC POWER CONVERTER
SPMC68CK338CPV14 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:32-Bit Modular Microcontroller
SPMC802B 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-pin General Purpose Microcontroller (OTP)
SPMC802B-C 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-pin General Purpose Microcontroller (OTP)
SPMC802B-PD03 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-pin General Purpose Microcontroller (OTP)