參數(shù)資料
型號: PIC16CR77T-I/PT
廠商: Microchip Technology
文件頁數(shù): 101/172頁
文件大小: 0K
描述: IC PIC MCU 8KX14 44TQFP
標(biāo)準(zhǔn)包裝: 1,200
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲器容量: 14KB(8K x 14)
程序存儲器類型: ROM
RAM 容量: 368 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 帶卷 (TR)
PIC16CR7X
DS21993C-page 32
2007 Microchip Technology Inc.
TABLE 4-1:
PORTA FUNCTIONS
TABLE 4-2:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Name
Bit#
Buffer
Function
RA0/AN0
bit 0
TTL
Input/output or analog input.
RA1/AN1
bit 1
TTL
Input/output or analog input.
RA2/AN2
bit 2
TTL
Input/output or analog input.
RA3/AN3/VREF
bit 3
TTL
Input/output or analog input or VREF.
RA4/T0CKI
bit 4
ST
Input/output or external clock input for Timer0. Output is open drain type.
RA5/AN4/SS
bit 5
TTL
Input/output or slave select input for synchronous serial port or analog input.
Legend: TTL = TTL input, ST = Schmitt Trigger input
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR,
BOR
Value on all
other
Resets
05h
PORTA
RA5
RA4
RA3
RA2
RA1
RA0
--0x 0000
--0u 0000
85h
TRISA
PORTA Data Direction Register
--11 1111
9Fh
ADCON1
PCFG2 PCFG1 PCFG0 ---- -000
---- -000
Legend: x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by
PORTA.
Note:
When using the SSP module in SPI Slave mode and SS enabled, the A/D converter must be set to one of
the following modes where PCFG2:PCFG0 = 100, 101, 11x.
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