
1996 Dec 11
6
Philips Semiconductors
Preliminary specification
Low voltage 16-bit microcontroller
P90CL301BFH (C100)
5.2
Pin description
Table 1
Pin description for the P90CL301BFH
SYMBOL
(1)
PIN
DESCRIPTION
AS
D7 to D0
V
DD3
XTAL1
V
SS1
UDS/A0/AD0
A1/AD1 to A7/AD7
A8 to A18
V
DD2
A19/PCS0 to A22/PCS3
CS6/A23
CSBT/ONCE
CS5/WR
CS4/RD
CS3/ALE
CS2/FC2 to CS0/FC0
NMIN/SP7
SP6/INT6 (CLK1)
SP5/INT5 (CP5)
SP4/INT4 (CP4)
SP3/TX0/INT3 (CP3)
1
address strobe
lower 8-bits of data bus
supply voltage; third pin
external clock input
ground; first pin
upper data strobe or LSB of address bus or LSB of 8051 address/data
14 to 20 lower 7-bits of the 68000 address bus or lower 7-bits of the 8051 bus
21 to 31 upper 11-bits of the 68000 address bus
32
supply voltage; second pin
33 to 36 upper 4-bits of the address bus or 8051 bus chip-select
37
chip-select 6 or address bit 23
38
chip-select boot or ONCE mode forced input
39
chip-select 5 or 8051 bus write strobe
40
chip-select 4 or 8051 bus read strobe
41
chip-select 3 or 8051 bus address latch
42 to 44 chip-select 2 to 0 or data bus function code 2 to 0
45
Non-Maskable Interrupt or second port pin (bit 7)
46
second port pin (bit 6) external interrupt input 6 (external clock of timer 1)
47
second port pin (bit 5) or external interrupt input 5 (Timer 1 capture input 5)
48
second port pin (bit 4) or external interrupt input 4 (Timer 1 capture input 4)
49
second port pin (bit 3) or Transmit data for UART0 or external interrupt input 3
(Timer 1 capture input 3)
50
second port pin (bit 2) or Receive data for UART0 or external interrupt input 2
(Timer 0 capture input 2)
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)
53
second port pin (bit 0) or receive data for UART1 or external interrupt input 0
54
port pin (bit 8) or PWM0 output (Timer 0 capture input 0)
55
port pin (bit 9) or PWM1 output (Timer 0 capture input 1)
56
port pin (bit 10) or I
2
C-bus Serial Clock.
57
port pin (bit 11) or I
2
C-bus Serial Data.
58
data bus size; 8 or 16-bit wide
59
ADC supply voltage
60
port pin (bit 15) or ADC input 3
61
ADC reference voltage
62 to 64 port pin (bit 14 to bit 12) or ADC inputs 2 to 0
65
ADC ground
66
external Power-on-reset input
2 to 9
10
11
12
13
SP2/RX0/INT2 (CP2)
V
SS2
SP1/TX1/INT1 (CLK0)
SP0/RX1/INT0
P8/PWM0 (CP0)
P9/PWM1 (CP1)
P10/SCL
P11/SDA
BSIZE
V
DDA
P15/ADC3
V
ref(A)
P14/ADC2 to P12/ADC0
V
SSA
RESETIN