mc68307ad Freescale Semiconductor, Inc, mc68307ad Datasheet - Page 18

• Manufacturer Part Number: mc68307ad
• Description: Integrated Multiple-bus Processor
• Manufacturer: Freescale Semiconductor, Inc

18
AD7-AD0/A7-A0 Multiplexed 8051 address/data/Address bus out
TRST/RSTIN
BGACK/PA7
TOUT1/PA3
TOUT2/PA4
Mnemonic
INT3/PB10
INT4/PB11
INT5/PB12
INT6/PB13
INT7/PB14
INT8/PB15
CS2/CS2A
CS2B/PA0
CS2C/PA1
CS2D/PA2
TIN1/PB6
TIN2/PB7
INT1/PB8
INT2/PB9
SDA/PB1
RTS/PB4
CTS/PB5
CLKOUT
SCL/PB0
RxD/PB3
TxD/PB2
BR/PA5
BG/PA6
D15-D0
A23-A8
DTACK
RESET
EXTAL
BUSW
HALT
XTAL
IRQ7
UDS
LDS
R/W
CS0
CS1
CS3
ALE
WR
RD
AS
Data bus
Address bus out
Address strobe
Upper data strobe
Lower data strobe
Read/write
Data acknowledge
System halt
System reset
Power-on reset
Chip select 0 (ROM)
Chip select 1 (RAM)
Chip select 2 (peripherals)
Chip select 3 (8051)
Address latch enable (8051)
8051-bus read
8051-bus write
External clock/crystal in
External crystal
Clock to system
Initial data bus width for CS0
Chip select 2B / I/O port A bit 0
Chip select 2C / I/O port A bit 1
Chip select 2D / I/O port A bit 2
Timer 1 output / I/O port A bit 3
Timer 2 output / I/O port A bit 4
Bus request input / I/O port A bit 5
Bus grant output / I/O port A bit 6
Bus grant acknowledge output / I/O port A bit 7
Interrupt level 7
Serial M-bus clock / port B bit 0
Serial M-bus data / port B bit 1
UART transmit data / port B bit 2
UART receive data / port B bit 3
Request-to-send / port B bit 4
Clear-to-send / port B bit 5
Timer 1 input / port B bit 6
Timer 2 input / port B bit 7
Interrupt in 1 / port B bit 8
Interrupt in 2 / port B bit 9
Interrupt in 3 / port B bit 10
Interrupt in 4 / port B bit 11
Interrupt in 5 / port B bit 12
Interrupt in 6 / port B bit 13
Interrupt In 7 / port B bit 14
Interrupt in 8 / port B bit 15
MC68307 TECHNICAL INFORMATION
Table 11. Signal index
Description
Configuration
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
MOTOROLA