參數(shù)資料
          型號(hào): PIC16C554-04E/P
          廠商: Microchip Technology
          文件頁(yè)數(shù): 30/108頁(yè)
          文件大?。?/td> 0K
          描述: IC MCU OTP 512X14 18DIP
          標(biāo)準(zhǔn)包裝: 25
          系列: PIC® 16C
          核心處理器: PIC
          芯體尺寸: 8-位
          速度: 4MHz
          外圍設(shè)備: POR,WDT
          輸入/輸出數(shù): 13
          程序存儲(chǔ)器容量: 896B(512 x 14)
          程序存儲(chǔ)器類型: OTP
          RAM 容量: 80 x 8
          電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
          振蕩器型: 外部
          工作溫度: -40°C ~ 125°C
          封裝/外殼: 18-DIP(0.300",7.62mm)
          包裝: 管件
          PIC16C55X
          DS40143D-page 26
          Preliminary
          2002 Microchip Technology Inc.
          FIGURE 5-4:
          BLOCK DIAGRAM OF RB3:RB0 PINS
          TABLE 5-3:
          PORTB FUNCTIONS
          TABLE 5-4:
          SUMMARY OF REGISTERS ASSOCIATED WITH PORTB AND TRISB
          Name
          Bit #
          Buffer Type
          Function
          RB0/INT
          Bit 0
          TTL/ST(1)
          Bi-directional I/O port. Internal software programmable weak pull-up.
          RB1
          Bit 1
          TTL
          Bi-directional I/O port. Internal software programmable weak pull-up.
          RB2
          Bit 2
          TTL
          Bi-directional I/O port. Internal software programmable weak pull-up.
          RB3
          Bit 3
          TTL
          Bi-directional I/O port. Internal software programmable weak pull-up.
          RB4
          Bit 4
          TTL
          Bi-directional I/O port (with interrupt-on-change). Internal software programmable
          weak pull-up.
          RB5
          Bit 5
          TTL
          Bi-directional I/O port (with interrupt-on-change). Internal software programmable
          weak pull-up.
          RB6
          Bit 6
          TTL/ST(2)
          Bi-directional I/O port (with interrupt-on-change). Internal software programmable
          weak pull-up. Serial programming clock pin.
          RB7
          Bit 7
          TTL/ST(2)
          Bi-directional I/O port (with interrupt-on-change). Internal software programmable
          weak pull-up. Serial programming data pin.
          Legend:
          ST = Schmitt Trigger, TTL = TTL input
          Note
          1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
          2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
          Address
          Name
          Bit 7
          Bit 6
          Bit 5
          Bit 4
          Bit 3
          Bit 2
          Bit 1
          Bit 0
          Value on
          POR
          Value on
          All Other
          RESETS
          06h
          PORTB
          RB7
          RB6
          RB5
          RB4
          RB3
          RB2
          RB1
          RB0
          xxxx xxxx
          uuuu uuuu
          86h
          TRISB
          TRISB7
          TRISB6
          TRISB5
          TRISB4
          TRISB3
          TRISB2
          TRISB1
          TRISB0
          1111 1111
          81h
          OPTION
          RBPU
          INTEDG
          T0CS
          T0SE
          PSA
          PS2
          PS1
          PS0
          1111 1111
          0BH, 8BH
          INTCON
          GIE
          Reserved
          T0IE
          INTE
          BRIE
          T0IF
          INTF
          RBIF
          0000 000x
          Legend:
          x = unknown, u = unchanged
          Note
          1:
          Shaded bits are not used by PORTB.
          P
          N
          V
          SS
          V
          DD
          RBPU(1)
          P
          V
          DD
          I/O
          Data Bus
          WR PORTB
          WR TRISB
          RD TRISB
          RD PORTB
          weak
          pull-up
          RD PORTB
          Latch
          TTL
          Input
          Buffer
          pin
          ST
          Buffer
          RB0/INT
          V
          DD
          V
          SS
          ST
          Buffer
          EN
          Q
          D
          Data Latch
          TRIS Latch
          Q
          D
          CK
          Q
          D
          Q
          CK
          Note
          1:
          TRISB = 1 enables weak pull-up if RBPU = ‘0’ (OPTION<7>).
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