参数资料
型号: PIC16F74T-I/L
厂商: Microchip Technology
文件页数: 49/104页
文件大小: 0K
描述: IC MCU FLASH 4KX14 A/D 44PLCC
产品培训模块: Asynchronous Stimulus
标准包装: 500
系列: PIC® 16F
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: 33
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 8x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 带卷 (TR)
PIC16F7X
DS30325B-page 38
2002 Microchip Technology Inc.
REGISTER 4-1:
TRISE REGISTER (ADDRESS 89h)
R-0
R/W-0
U-0
R/W-1
IBF
OBF
IBOV
PSPMODE
Bit2
Bit1
Bit0
bit 7
bit 0
bit 7
Parallel Slave Port Status/Control bits:
IBF: Input Buffer Full Status bit
1
= A word has been received and is waiting to be read by the CPU
0
= No word has been received
bit 6
OBF: Output Buffer Full Status bit
1
= The output buffer still holds a previously written word
0
= The output buffer has been read
bit 5
IBOV: Input Buffer Overflow Detect bit (in Microprocessor mode)
1
= A write occurred when a previously input word has not been read
(must be cleared in software)
0
= No overflow occurred
bit 4
PSPMODE: Parallel Slave Port Mode Select bit
1
= Parallel Slave Port mode
0
= General Purpose I/O mode
bit 3
Unimplemented: Read as '0'
bit 2
PORTE Data Direction bits:
Bit2: Direction Control bit for pin RE2/CS/AN7
1
= Input
0
= Output
bit 1
Bit1: Direction Control bit for pin RE1/WR/AN6
1
= Input
0
= Output
bit 0
Bit0: Direction Control bit for pin RE0/RD/AN5
1
= Input
0
= Output
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR reset
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
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