SC80C451CCA68 Philips Semiconductors, SC80C451CCA68 Datasheet
SC80C451CCA68
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SC80C451CCA68 Summary of contents
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OTP/ROM/ROMless, expanded I/O Product specification Supersedes data of 1998 Jan 19 IC20 Data Handbook INTEGRATED CIRCUITS 1998 May 01 ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O DESCRIPTION The Philips 8XC451 is an I/O expanded single-chip microcontroller fabricated with Philips high-density CMOS technology. Philips epitaxial substrate minimizes latch-up sensitivity. The 8XC451 (includes the 80C451, 87C451 and 83C451 functional extension of the 87C51 microcontroller with three additional I/O ports and four I/O control lines for a total of 68 pins ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O BLOCK DIAGRAM RAM ADDR RAM REGISTER B ACC REGISTER PSEN ALE/PROG TIMING AND EAV PP CONTROL RST PORT 1 PD LATCH OSCILLATOR PORT 1 DRIVERS XTAL1 XTAL2 P1.0–P1.7 1998 May 01 P2.0–P2.7 P0.0–P0.7 P4.0–P4.7 PORT 2 ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O ORDERING INFORMATION ROMless ROM SC80C451CCA68 SC83C451CCA68 SC80C451CGA68 SC83C451CGA68 NOTE: 1. OTP = One Time Programmable LOGIC SYMBOL XTAL1 XTAL2 RST EA/V PP PSEN ALE/PROG RxD TxD INT0 INT1 ODS IDS PORT 6 CONTROL ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O PIN DESCRIPTION PIN MNEMONIC TYPE NAME AND FUNCTION NO Ground: 0V reference Power Supply: This is the power supply voltage for normal, idle, and power-down operation. CC P0.0–0.7 17-10 I/O Port 0: Port open-drain, bidirectional I/O port. Port 0 is also the multiplexed data and low-order address bus during accesses to external memory ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O I/O Port Structure The 8XC451 has a total of seven parallel I/O ports. The first four ports, P0 through P3, are identical in function to those present on the 80C51 family. The added ports 4 and 5 are identical in function to port 1; that is, they are standard quasi-bidirectional ports with no alternate functions and the standard output drive characteristics ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O CSR.3 Output Buffer Full Flag Clear Mode (OBFC) – When CSR the positive edge of the ODS input clears the OBF flag. When CSR the negative edge of the ODS input clears the OBF flag. ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O Table 2. 8XC451 Special Function Registers DIRECT SYMBOL DESCRIPTION ADDRESS ACC* Accumulator E0H B* B register F0H CSR*# Port 6 command/status E8H DPTR Data pointer (2 bytes) DPH Data pointer high 83H DPL Data pointer low ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O Table 3. Control Status Register (CSR) Bit 7 Bit 6 Bit 5 MB1 MB0 MA1 BFLAG Mode Select AFLAG Mode Select 0/0 = Logic 0 output* 0/0 = Logic 0 output* 0/1 = Logic 1 output* 0/1 = Logic 1 output* 1/0 = IBF output 1/0 = OBF output 1 input 1/1 = SEL input ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O DC ELECTRICAL CHARACTERISTICS + 10 (87C451, 83C451, 80C451) amb CC SS SYMBOL PARAMETER V Input low voltage; except Input low voltage to EA IL1 V Input high voltage; except XTAL1, RST IH V Input high voltage; XTAL1, RST ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O AC ELECTRICAL CHARACTERISTICS + 10 (87C451, 83C451, 80C451) amb CC SS SYMBOL FIGURE PARAMETER 1/t Oscillator frequency: CLCL SC8XC451 SC8XC451 t 2 ALE pulse width LHLL t 2 Address valid to ALE low AVLL t 2 Address hold after ALE low ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O AC ELECTRICAL CHARACTERISTICS + 10 (87C451, 83C451, 80C451) amb CC SS SYMBOL FIGURE PARAMETER Port 6 input (input rise and fall times = 5ns width FLFH t 8 IDS width ILIH t 8 Data setup to IDS high or PE high ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O EXPLANATION OF THE AC SYMBOLS Each timing symbol has five characters. The first character is always ‘t’ (= time). The other characters, depending on their positions, indicate the name of a signal or the logical status of that signal. The designations are: A – ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O ALE PSEN t LLWL WR t LLAX t AVLL A0–A7 PORT 0 FROM RI OR DPL t AVWL PORT 2 INSTRUCTION 0 1 ALE t XLXL CLOCK t QVXH OUTPUT DATA 0 WRITE TO SBUF t XHDV INPUT DATA VALID CLEAR RI 1998 May 01 t WHLH ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O OBF (AFLAG) PE (BFLAG) ODS PORT 6 ODS SEL (AFLAG) PORT 6 DATA PE (BFLAG) IDS PORT 6 IBF (BFLAG) IDS 1998 May 01 t OVFV t OLOH t OLDV t FLDV Figure 6. Port 6 Output t OHFH t t FVDV FVDV CSR Figure 7. Port 6 Select Mode ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I 0.45V V –0.5 CC 0.45V NOTE: AC inputs during testing are driven at V Timing measurements are made LOAD V LOAD V LOAD NOTE: For timing purposes, a port is no longer floating when a 100mV change from load voltage occurs, ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I RST (NC) XTAL2 CLOCK SIGNAL XTAL1 IDS V SS ODS Figure 14. I Test Condition, Active Mode CC All other pins are disconnected V CC 0.45V Figure 16. Clock Signal Waveform for I Figure 17. I 1998 May ...
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... The 87C451 contains two signature bytes that can be read and used by an EPROM programming system to identify the device. The signature bytes identify the device as an 87C451 manufactured by Philips Semiconductors. Table 4 shows the logic levels for reading the signature byte, and for programming the program memory, the encryption table, and the lock bits ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O A0– 4–6MHz 1 0 ALE/PROG ALE/PROG: A0– 4–6MHz 1998 May 01 + RST EA/V PP P3.6 ALE/PROG 87C451 P3.7 PSEN XTAL2 P2.7 P2.6 XTAL1 P2.0–P2 Figure 18. Programming Configuration 25 PULSES 10 s MIN 100 s+10 Figure 19 ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS + 10 (See Figure 21) amb CC SS SYMBOL PARAMETER V Programming supply voltage PP I Programming supply current PP 1/t Oscillator frequency CLCL t Address setup to PROG low AVGL t Address hold after PROG ...
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... Philips Semiconductors 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O PLCC68: plastic leaded chip carrier; 68 leads; pedestal 1998 May 01 80C451/83C451/87C451 21 Product specification SOT188-3 ...
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... Philips Semiconductors for any damages resulting from such application. Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no ...