单片机

16554
Quad asynchronous serial interface controller with DMA support and 16-byte FIFOs.
PLCC68
+---------------+---------------+---------------+---------------+
| 10 /1DSR | 27 /2DCD | 44 /3DSR | 61 /4DCD |
| 11 /1CTS | 28 /2RI | 45 /3CTS | 62 /4RI |
| 12 /1DTR | 29 2RxD | 46 /3DTR | 63 4RxD |
| 13 VCC | 30 VCC | 47 VCC | 64 VCC |
| 14 /1RTS | 31 | 48 /3RTS | 65 /INTN |
| 15 1INT | 32 A2 | 49 3INT | 66 D0 |
| 16 /1CE | 33 A1 | 50 /3CE | 67 D1 |
| 17 1TxD&n bsp; | 34 A0 | 51 3TxD | 68 D2 |
| 18 /WR | 35 X1 | 52 /RD | 1 D3 |
| 19 2TxD | 36 X2 | 53 4TxD | 2 D4 |
| 20 /2CE | 37 RST | 54 /4CE | 3 D5 |
| 21 2INT | 38 /RXRDY | 55 4INT | 4 D6 |
| 22 /2RTS | 39 /TXRDY | 56 /4RTS | 5 D7 |
| 23 GND | 40 GND | 57 GND | 6 GND |
| 24 /2DTR | 41 3RxD | 58 /4DTR | 7 1RxD |
| 25 /2CTS | 42 /3RI | 59 /4CTS | 8 /1RI |
| 26 /2DSR | 43 /3DCD | 60 /4DSR | 9 /1DCD |
+---------------+---------------+---------------+---------------+

68153
680x0 family bus interrupter.
+-----+--+-----+
VCC |1 +--+ 40| A3
R//W |2 39| A2
/CE |3 38| A1
/DTACK |4 37| D7
/IACK |5 36| D6
/IACKi |6 35| D5
/IACKo |7 34| D4
/IRQ1 |8 33| D3
GND |9 32| D2
GND |10 31| GND
VCC |11 68153 30| VCC
/IRQ2 |12 29| D1
/IRQ3 |13 28| D0
/IRQ4 |14 27| /INTAE
/IRQ5 |15 26| INTAL1
/IRQ6 |16 25| INTAL0
/IRQ7 |17 24| /INT3
CLK |18 23| /INT2
/INT0 |19 22| /INT1
GND |20 21| VCC
+--------------+

68230 (PLCC)
680x0 family Parallel Interface and Timer (PI/T)
PLCC52
+---------------+---------------+---------------+---------------+
| 8 | 21 | 34 PC0 | 47 R//W |
| 9 PA4 | 22 PB2 | 35 PC1 | 48 D0 |
| 10 PA5 | 23 PB3 | 36 PC2 TIN | 49 D1 |
| 11 PA6 | 24 PB4 | 37 PC3 TOUT | 50 D2 |
| 12 PA7 | 25 PB5 | 38 PC4 /DMARQ | 51 D3 |
| 13 VCC | 26 PB6 | 39 PC5 /PIRQ | 52 D4 |
| 14 H1 | 27 PB7 | 40 PC6 /PIACK | 1 D5 |
| 15 H2 | 28 A4 | 41 PC7 /TIACK | 2 D6 |
| 16 H3 | 29 A3 | 42 GND | 3 D7 |
| 17 H4 | 30 A2 | 43 /RST | 4 PA0 |
| 18 PB0 | 31 A1 | 44 CLK | 5 PA1 |
| 19 PB1 | 32 A0 | 45 /CE | 6 PA2 |
| 20 | 33 | 46 /DTACK | 7 PA3 |
+---------------+---------------+---------------+---------------+

68230 (DIP)
680x0 family Parallel Interface and Timer (PI/T)
+-----+--+-----+
D5 |1 +--+ 48| D4
D6 |2 47| D3
D7 |3 46| D2
PA0 |4 45| D1
PA1 |5 44| D0
PA2 |6 43| R//W
PA3 |7 42| /DTACK
PA4 |8 41| /CE
PA5 |9 40| CLK
PA6 |10 39| /RST
PA7 |11 38| GND
VCC |12 37| PC7 /TIACK
H1 |13 68230 36| PC6 /PIACK
H2 |14 35| PC5 /PIRQ
H3 |15 34| PC4 /DMAREQ
H4 |16 33| PC3 TOUT
PB0 |17 32| PC2 TIN
PB1 |18 31| PC1
PB2 |19 30| PC0
PB3 |20 29| RS0
PB4 |21 28| RS1
PB5 |22 27| RS2
PB6 |23 26| RS3
PB7 |24 25| RS4
+--------------+

68452
680x0 family bus arbiter.
+-----+--+-----+
VCC |1 +--+ 28| GND
VCC |2 27| /BCLR
/GT4 |3  ; 26| /GT0
/REQ3 |4 25| /REQ4
/GT5 |5 24| /GT1
/REQ2 |6 23| /REQ5
/REQ1 |7 22| /REQ6
GND |8 68452 21| /REQ7
/REQ0 |9 20| /BG
/LEI |10 19| /BR
/BGACK |11 18| /GT2
/GT7 |12 17| /GT3
/GT6 |13 16| VCC
GND |14 15| VCC
+--------------+

68901 (DIP)
680x0 multi-function peripheral.
+-----+--+-----+
R//W |1 +--+ 48| /CE
RS0 |2 47| /DS
RS1 |3 46| /DTACK
RS2 |4 45| /IACK
RS3 |5 44| D7
RS4 |6 43| D6
TC |7 42| D5
SO |8 41| D4
SI |9 40| D3
RC |10 39| D2
VCC |11 38| D1
|12 37| D0
TAO |13 68901 36| GND
TBO |14 35| CLK
TCO |15 34| /IEI
TDO |16 33| /IEO
X1 |17 32| /IRQ
X0 |18 31| /RR
TAI |19 30| /TR
TBI |20 29| INT7
/RST |21 28| INT6
INT0 |22 27| INT5
INT1 |23 26| INT4
INT2 |24 25| INT3
+--------------+

68901 (PLCC)
680x0 multi-function peripheral.
PLCC52
+---------------+---------------+---------------+---------------+
| 8 TC | 21 | 34 /TR | 47 D6 |
| 9 SO | 22 TAI | 35 /RR | 48 D7 |
| 10 SI | 23 TBI | 36 /IRQ | 49 /IACK |
| 11 RC | 24 /RST | 37 /IEO | 50 /DTACK |
| 12 VCC | 25 INT0 | 38 /IEI | 51 /DS |
| 13 | 26 INT1 | 39 CLK | 52 /CE |
| 14 | 27 INT2 | 40 GND | 1 |
| 15 TAO | 28 INT3 | 41 D0 | 2 R//W |
| 16 TBO | 29 INT4 | 42 D1 | 3 RS0 |
| 17 TCO | 30 INT5 | 43 D2 | 4 RS1 |
| 18 TDO | 31 INT6 | 44 D3 | 5 RS2 |
| 19 X1 | 32 INT7 | 45 D4 | 6 RS3 |
| 20 X0 | 33 | 46 D5 | 7 RS4 |
+---------------+---------------+---------------+---------------+