參數(shù)資料
型號(hào): PIC16C765/JW
廠商: Microchip Technology
文件頁數(shù): 134/165頁
文件大小: 0K
描述: IC MCU EPROM 8KX14 USB 40CDIP
標(biāo)準(zhǔn)包裝: 10
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 24MHz
連通性: SCI,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲(chǔ)器容量: 14KB(8K x 14)
程序存儲(chǔ)器類型: EPROM,UV
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 4.35 V ~ 5.25 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-CDIP(0.600",15.24mm)窗口
包裝: 管件
配用: 444-1001-ND - DEMO BOARD FOR PICMICRO MCU
PIC16C745/765
DS41124C-page 70
Preliminary
2000 Microchip Technology Inc.
REGISTER 10-11: BUFFER DESCRIPTOR STATUS. BITS READ BY THE MCU
(BDndST: 1A0h, 1A4h, 1A8h, 1ACh, 1B0h, 1B4h)
REGISTER 10-12: BUFFER DESCRIPTOR BYTE COUNT
(BDndBC: 1A1h, 1A5h, 1A9h, 1ADh, 1B1h, 1B5h)
R/W-0
R/W-X
U-X
UOWN
DATA0/1
PID3
PID2
PID1
PID0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
-n = Value at POR reset
X = Don’t care
bit7
bit0
bit 7:
UOWN: USB Own
This UOWN bit determines who currently owns the buffer. The SIE writes a 0 to this bit when it has com-
pleted a token. This byte of the BD should always be the last byte the MCU updates when it initializes a
BD. Once the BD has been assigned to the USB, the MCU should not change it in any way.
1
= USB has exclusive access to the BD. The MCU should not modify the BD or buffer.
0
= The MCU has exclusive access to the BD. The USB ignores all other fields in the BD.
bit 6:
DATA0/1: This bit defines the type of data toggle packet that was transmitted or received
1
= Data 1 packet
0
= Data 0 packet
bit 5-2:
PID<3:0>: Packet Identifier
The received token PID value.
bit 1-0:
Reserved: Read as 'X'
Note:
Recommend that users not use BSF, BCF due to the dual functionality of this register.
U-X
R/W-X
BC3
BC2
BC1
BC0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
-n = Value at POR reset
X = Don’t care
bit7
bit0
bit 7-4:
Reserved: Read as ’X’
bit 3-0:
BC<3:0>: The Byte Count bits represent the number of bytes that will be transmitted for an IN TOKEN or
received during an OUT TOKEN. Valid byte counts are 0 - 8. The SIE will change this field upon the com-
pletion of an OUT or SETUP token with the actual byte count of the data received.
745cov.book Page 70 Wednesday, August 2, 2000 8:24 AM
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PIC16C76T-04E/SO 功能描述:8位微控制器 -MCU 14KB 368 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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