參數(shù)資料
型號(hào): PIC14000T-20I/SS
廠商: Microchip Technology
文件頁數(shù): 81/153頁
文件大?。?/td> 0K
描述: IC MCU OTP 4KX14 A/D 28SSOP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
標(biāo)準(zhǔn)包裝: 2,100
系列: PIC® 14
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C
外圍設(shè)備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 20
程序存儲(chǔ)器容量: 7KB(4K x 14)
程序存儲(chǔ)器類型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器: 斜率 A/D
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
配用: 309-1025-ND - ADAPTER 28-SSOP TO 28-DIP
1996 Microchip Technology Inc.
Preliminary
DS40122B-page 33
PIC14000
FIGURE 5-10: BLOCK DIAGRAM OF PORTD<1:0> PINS
FIGURE 5-11: PORTD DATA REGISTER
Legend: U = unimplemented, read as ‘0’, x = unknown.
08h
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PORTD
RD7/AN7 RD6/AN6 RD5/AN5 RD4/AN4
RD3/REFB
RD2/CMPB RD1/SDAB RD0/SCLB
Read/Write
R/W
POR value xxh
XXXX
X
Bit
Name
Function
B7
RD7/AN7
GPIO or analog input. Returns value on pin RD7/AN7 when used as a digital
input. When configured as an analog input, reads as ‘0’.
B6
RD6/AN6
GPIO or analog input. Returns value on pin RD6/AN6 when used as a digital
input. When configured as an analog input, reads as ‘0’.
B5
RD5/AN5
GPIO or analog input. This pin can connect to a level shift network. If
enabled, a +0.5V offset is added to the input voltage. When congured as
an analog input, reads as ‘0’.
B4
RD4/AN4
GPIO or analog input. Returns value on pin RD4/AN4 when used as a digital
input. When configured as an analog input, reads as ‘0’.
B3
RD3/REFB
This pin can serve as a GPIO, or programmable reference B output.
B2
RD2/CMPB
This pin can serve as a GPIO, or comparator B output.
B1
RD1/SDAB
Alternate synchronous serial data I/O for I2C interface enabled by setting
the I2CSEL bit in the MISC register. This pin can also serve as a general
purpose I/O. This pin has an N-channel pull-up to VDD which is disabled in
I2C mode.
B0
RD0/SCLB
Alternate synchronous serial clock for I2C interface, enabled by setting the
I2CSEL bit in the MISC register. This pin can also serve as a general pur-
pose I/O. This pin has an N-Channel pull-up to VDD which is disabled in I2C
mode.
D
Q
CK Q
D
Q
CK Q
D
Q
EN
Data
Bus
Write
PORTD
Write
TRISD
Read
TRISD
Read
PortD
Note: I/O pins have protection diodes to VDD and VSS. These pins do not have a P-channel pull-up.
N
I/O
Pin
VSS
VDD
Schmitt Trigger
Input Buffer
I2CCON<5>
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