参数资料
型号: MCP1631RD-DCPC1
厂商: Microchip Technology
文件页数: 37/44页
文件大小: 0K
描述: REF DES BATT CHARG OR LED DRIVER
标准包装: 1
电流 - 输出 / 通道: 700mA
输出及类型: 1,非隔离
特点: 用于锂离子、镍氢和镍镉电池充电器的固件
输入电压: 3.5 ~ 16 V
已供物品:
已用 IC / 零件: MCP1631HV,PIC16F616
产品目录页面: 668 (CN2011-ZH PDF)
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PIC16F610/616/16HV610/616
DS41288F-page 42
2009 Microchip Technology Inc.
4.3
PORTC and the TRISC Registers
PORTC is a general purpose I/O port consisting of 6
bidirectional pins. The pins can be configured for either
digital I/O or analog input to A/D Converter (ADC) or
Comparator. For specific information about individual
functions such as the Enhanced CCP or the ADC, refer
to the appropriate section in this data sheet.
EXAMPLE 4-2:
INITIALIZING PORTC
Note:
The ANSEL register must be initialized to
configure an analog channel as a digital
input. Pins configured as analog inputs will
read ‘0’ and cannot generate an interrupt.
BCF
STATUS,RP0
;Bank 0
CLRF
PORTC
;Init PORTC
BSF
STATUS,RP0
;Bank 1
CLRF
ANSEL
;digital I/O
MOVLW
0Ch
;Set RC<3:2> as inputs
MOVWF
TRISC
;and set RC<5:4,1:0>
;as outputs
BCF
STATUS,RP0
;Bank 0
REGISTER 4-6:
PORTC: PORTC REGISTER
U-0
R/W-x
R/W-0
R/W-x
RC5
RC4
RC3
RC2
RC1
RC0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
Unimplemented: Read as ‘0’
bit 5-0
RC<5:0>: PORTC I/O Pin bit
1
= PORTC pin is > VIH
0
= PORTC pin is < VIL
REGISTER 4-7:
TRISC: PORTC TRI-STATE REGISTER
U-0
R/W-1
TRISC5
TRISC4
TRISC3
TRISC2
TRISC1
TRISC0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
Unimplemented: Read as ‘0’
bit 5-0
TRISC<5:0>: PORTC Tri-State Control bit
1
= PORTC pin configured as an input (tri-stated)
0
= PORTC pin configured as an output
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