参数资料
型号: PIC16C773-E/SS
厂商: Microchip Technology
文件页数: 24/31页
文件大小: 0K
描述: IC MCU OTP 4KX14 A/D PWM 28SSOP
产品培训模块: Asynchronous Stimulus
标准包装: 47
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 22
程序存储器容量: 7KB(4K x 14)
程序存储器类型: OTP
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 6x12b
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
包装: 管件
配用: 309-1025-ND - ADAPTER 28-SSOP TO 28-DIP
其它名称: PIC16C773E/SS
PCA9534_3
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 03 — 6 November 2006
5 of 25
NXP Semiconductors
PCA9534
8-bit I2C-bus and SMBus low power I/O port with interrupt
6.1.3 Register 1 - Output Port register
This register reects the outgoing logic levels of the pins dened as outputs by Register 3.
Bit values in this register have no effect on pins dened as inputs. Reads from this register
return the value that is in the ip-op controlling the output selection, not the actual pin
value.
6.1.4 Register 2 - Polarity Inversion register
This register allows the user to invert the polarity of the Input Port register data. If a bit in
this register is set (written with ‘1’), the corresponding Input Port data is inverted. If a bit in
this register is cleared (written with a ‘0’), the Input Port data polarity is retained.
Table 4.
Register 0 - Input Port register bit description
Bit
Symbol
Access
Value
Description
7
I7
read only
X
determined by externally applied logic level
6
I6
read only
X
5
I5
read only
X
4
I4
read only
X
3
I3
read only
X
2
I2
read only
X
1
I1
read only
X
0
I0
read only
X
Table 5.
Register 1 - Output Port register bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
O7
R
1*
reects outgoing logic levels of pins dened as
outputs by Register 3
6O6
R
1*
5O5
R
1*
4O4
R
1*
3O3
R
1*
2O2
R
1*
1O1
R
1*
0O0
R
1*
Table 6.
Register 2 - Polarity Inversion register bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
N7
R/W
0*
inverts polarity of Input Port register data
0 = Input Port register data retained (default value)
1 = Input Port register data inverted
6
N6
R/W
0*
5
N5
R/W
0*
4
N4
R/W
0*
3
N3
R/W
0*
2
N2
R/W
0*
1
N1
R/W
0*
0
N0
R/W
0*
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