P90CL301 データシートの表示（PDF） - Philips Electronics

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P90CL301

Low voltage 16-bit microcontroller

Philips Electronics 

Philips Semiconductors

Low voltage 16-bit microcontroller

Preliminary specification

P90CL301BFH (C100)

5.2 Pin description

Table 1 Pin description for the P90CL301BFH

SYMBOL(1)

PIN

DESCRIPTION

AS

1 address strobe

D7 to D0

2 to 9 lower 8-bits of data bus

VDD3

XTAL1

10 supply voltage; third pin

11 external clock input

VSS1

UDS/A0/AD0

12 ground; first pin

13 upper data strobe or LSB of address bus or LSB of 8051 address/data

A1/AD1 to A7/AD7

14 to 20 lower 7-bits of the 68000 address bus or lower 7-bits of the 8051 bus

A8 to A18

21 to 31 upper 11-bits of the 68000 address bus

VDD2

32 supply voltage; second pin

A19/PCS0 to A22/PCS3 33 to 36 upper 4-bits of the address bus or 8051 bus chip-select

CS6/A23

37 chip-select 6 or address bit 23

CSBT/ONCE

38 chip-select boot or ONCE mode forced input

CS5/WR

39 chip-select 5 or 8051 bus write strobe

CS4/RD

40 chip-select 4 or 8051 bus read strobe

CS3/ALE

41 chip-select 3 or 8051 bus address latch

CS2/FC2 to CS0/FC0 42 to 44 chip-select 2 to 0 or data bus function code 2 to 0

NMIN/SP7

45 Non-Maskable Interrupt or second port pin (bit 7)

SP6/INT6 (CLK1)

46 second port pin (bit 6) external interrupt input 6 (external clock of timer 1)

SP5/INT5 (CP5)

47 second port pin (bit 5) or external interrupt input 5 (Timer 1 capture input 5)

SP4/INT4 (CP4)

48 second port pin (bit 4) or external interrupt input 4 (Timer 1 capture input 4)

SP3/TX0/INT3 (CP3)

49 second port pin (bit 3) or Transmit data for UART0 or external interrupt input 3

(Timer 1 capture input 3)

SP2/RX0/INT2 (CP2)

50 second port pin (bit 2) or Receive data for UART0 or external interrupt input 2

(Timer 0 capture input 2)

VSS2

SP1/TX1/INT1 (CLK0)

51 ground; second pin

52 second port pin (bit 1) or transmit data for UART1 or external interrupt input 1

(external clock of Timer 0)

SP0/RX1/INT0

53 second port pin (bit 0) or receive data for UART1 or external interrupt input 0

P8/PWM0 (CP0)

54 port pin (bit 8) or PWM0 output (Timer 0 capture input 0)

P9/PWM1 (CP1)

P10/SCL

P11/SDA

55 port pin (bit 9) or PWM1 output (Timer 0 capture input 1)

56 port pin (bit 10) or I2C-bus Serial Clock.

57 port pin (bit 11) or I2C-bus Serial Data.

BSIZE

58 data bus size; 8 or 16-bit wide

VDDA

P15/ADC3

59 ADC supply voltage

60 port pin (bit 15) or ADC input 3

Vref(A)

61 ADC reference voltage

P14/ADC2 to P12/ADC0 62 to 64 port pin (bit 14 to bit 12) or ADC inputs 2 to 0

VSSA

RESETIN

65 ADC ground

66 external Power-on-reset input

1996 Dec 11

6

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