参数资料
型号: PIC14000-04I/SO
厂商: Microchip Technology
文件页数: 103/153页
文件大小: 0K
描述: IC MCU OTP 4KX14 A/D 28SOIC
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 27
系列: PIC® 14
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
连通性: I²C
外围设备: POR,温度传感器,WDT
输入/输出数: 20
程序存储器容量: 7KB(4K x 14)
程序存储器类型: OTP
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 6 V
数据转换器: 斜率 A/D
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
包装: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
309-1073-ND - ADAPTER 28-SOIC TO 28-SOIC
309-1024-ND - ADAPTER 28-SOIC TO 28-DIP
309-1023-ND - ADAPTER 28-SOIC TO 28-DIP
1996 Microchip Technology Inc.
Preliminary
DS40122B-page 53
PIC14000
FIGURE 7-16: MISC REGISTER
9Eh
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MISC
SMHOG
SPGNDB SPGNDA
I2CSEL
SMBUS
INCLKEN
OSC2
OSC1
Read/Write
R/W
R
POR value 00h
00
0
X
Bit
Name
Function
B7
SMHOG
SMHOG enable
1 = Stretch I2C CLK signal (hold low) when receive data buffer is full (refer to
Section 7.5.4). For pausing I2C transfers while preventing interruptions of A/D
conversions.
0 = Disable I2C CLK stretch.
B6
SPGNDB
Serial Port Ground Select
1 = PORTD<1:0> ground reference is the RD5/AN5 pin.
0 = PORTD<1:0> ground reference is VSS.
B5
SPGNDA
Serial Port Ground Select
1 = PORTC<7:6> ground reference is the RA1/AN1 pin.
0 = PORTC<7:6> ground reference is VSS.
B4
I2CSEL
I2C Port select Bit.
1 = PORTD<1:0> are used as the I2C clock and data lines.
0 = PORTC<7:6> are used as the I2C clock and data lines.
B3
SMBus
SMBus-Compatibility Select
1 = SMBus compatibility mode is enabled. PORTC<7:6> and PORTD<1:0> have
SMBus-compatible input thresholds.
0 = SMBus-compatibility is disabled. PORTC<7:6> and PORTD<1:0> have Schmitt Trig-
ger input thresholds.
B2
INCLKEN
Oscillator Output Select (available in IN mode only).
1 = Output IN oscillator signal divided by four on OSC2 pin.
0 = Disconnect IN oscillator signal from OSC2 pin.
B1
OSC2
OSC2 output port bit (available in IN mode only).
Writes to this location affect the OSC2 pin in IN mode. Reads return the value of the
output latch.
B0
OSC1
OSC1 input port bit (available in IN mode only).
Reads from this location return the status of the OSC1 pin in IN mode. Writes have no
effect.
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