Museum

8-bit Microprocessors

680x

6800

Manufacturer

Motorola

Category

8-bit microprocessor

Introduction

1974

History

The basic for Motorola's entrance into the microprocessor market was the 6800. Second most widely used 8-bit microcomputer, following the 8080A. Has been developed as an enhancement of the 8008 at the same time that Intel was developing the 8080A, also as an enhancement of the 8008.
Main responsible persons during the development of the 6800
Jeff Laveil: techn. director
Tom Bennett: development
Mike Wiles, Gene Schriber, Doug Powell: sytem design
At first the 6800 was used by GM, later Ford decided to build it into their cars. The chip found its way into the computer market through several computer manufacturers (MITS, Systems Research, Sphere and Southwest Technical Products). The mail order firm Ohio Scientific offered a 6800 computer set and helped spreading this new microprocessor. Although the 6800 was a superior chip in many respects it never met with customers approval as the 8080 or 6502 did. Moreover Intel could rely on an early and well extended distribution service, additional peripheral devices and a technical support.

Technology

N-Channel silicon-gate depletion load MOS technology; single +5 V power supply; requires external clock logic; 72 types of instructions; 6 addressing modes; although the 6800 works with a much lower frequency than the 8080A, the actual execution speed of the 6800 is not much less than the 8080A since the 6800 requires fewer clock cycles to execute instructions.

Max. clock frequency

6800: 1 MHz
68A00: 1.5 MHz
68B00: 2 MHz
68H00: 2.5 MHz

Examples

Package

Comment

Motorola XC6800A	Motorola XC6800B	Motorola MC 6800 L	Motorola MC 6800 S	Motorola 6800 BQCJC

40 pin CERDIP gold top	40 pin CERDIP gold top	40 pin CERDIP gold top	40 pin CERDIP	40 pin CERDIP gold top
for evaluation applications	for evaluation applications, sealed in original package	MC version in rare side brazed package	-	military version level B

Examples

package

comment

AMI 6800	AMI S 6800	AMI S68A00I	AMI S68B00	AMI S68B00P

40 pin CERDIP ceramic top	40 pin CERDIP ceramic top	40 pin CERDIP ceramic top	40 pin CERDIP gold top	40 pin DIP
-	-	-	-	-

Examples

package

comment

Fairchild F 6800 DMQB	Fairchild F 68A00 P	Hitachi HD 46800	ST EF 6800 C	ST EF 6800 P

40 pin CERDIP	40 pin DIP	40 pin CERDIP	40 pin CERDIP ceramic top	40 pin DIP
military version	-	-	-	-

Second source

AMI, Fairchild, Hitachi, ST

Manufactured devices

	Frequency	Material	Temp.range	Military
MC6800L	1.0 MHz	ceramic	0 to 70°C	-
MC6800P	1.0 MHz	plastic	0 to 70°C	-
MC6800CL	1.0 MHz	ceramic	-40 to +85°C	-
MC6800CP	1.0 MHz	plastic	-40 to +85°C	-
MC6800BQCS	1.0 MHz		-55 to +125°C	X
MC6800CQCS	1.0 MHz		-55 to +125°C	X
MC68A00L	1.5 MHz	ceramic	0 to 70°C	-
MC68A00P	1.5 MHz	plastic	0 to 70°	-
MC68A00CL	1.5 MHz	ceramic	-40 to +85°C	-
MC68A00CP	1.5 MHz	plastic	-40 to +85°C	-
MC68B00L	2.0 MHz	ceramic	0 to 70°C	-
MC68B00P	2.0 MHz	plastic	0 to 70°C	-

Peripherals

2350: Synchronous Receiver / Transmitter
5204: Erasable PROM (512x8)
6810: 128 x 8 RAM
6820: Peripheral Interface Adapter (PIA)
6821: Peripheral Interface Adapter (PIA)
6828: Priority Interrupt Controller
6830: 1024 x 8 ROM
6831: 2048 x 8 ROM
6834: Erasable PROM (512x8)
6840: Programmable Timer
6842: Clock Buffer
6843: Floppy Disc Controller
6844: DMA Controller
6845: CRT Controller
6846: ROM, I/O, Timer
6847: Video Display Generator
6850: Asynchronous Communications Interface Adapter (ACIA)
6852: Synchronous Serial Data Adapter
6854: Advanced Data Link Controller
6859: Data Security Device
6860: Modem
6862: Digital Modulator
6870: 2 phase Clock
6871: 2 phase Clock
6875: 2 phase Clock
6880: Bus Transceiver
6881: Triple Bidirectional Bus Switch
6882: Octal Buffer, Latch, three state
6885: Hex Buffer / Inverter
6886: Hex Buffer / Inverter
6887: Hex Buffer / Inverter
6888: Hex Buffer / Inverter
6889: Bus Transceiver
6890: D/A Converter, 8-bit Bus Compatible
6894: Data Encryption Unit
8507: Priority Interrupt Controller
68708: Erasable PROM (1024x8)

6801

Manufacturer

Motorola

Category

8-bit microcomputer (controller)

Introduction

1974

Technology

N-Channel silicon-gate depletion load MOS technology; single +5 V power supply; object code compatible with 6800 instruction set with improved execution times of key instructions plus several new 16-bit and 8-bit instructions; can operate single chip or expanded to 65K words; 2 Kbytes of ROM and 128 bytes of RAM on board UART and parallel I/O and three 16-bit timer functions.

Max. clock frequency

Examples

package

comment

Hitachi HD68P01V07	Hitachi HD 6801 SOC

40 pin CERDIP gold top	40 pin CERDIP silver top
Piggyback	-

Second source

Hitachi

Special device

MC6801E: mask option requires external clock, MC6801U4, MC68701, MC68701U4

6802

Manufacturer

Motorola

Category

8-bit microprocessor with clock and RAM (Motorola specification)

Introduction

1974

Technology

N-Channel silicon-gate depletion load MOS technology; contains all the registers and accumulators of the 6800 plus an internal clock oscillator and driver on the same chip; in addition the 6802 has 128 bytes of RAM on board; 32 bytes of RAM are retainable; expandable to 65K words

Max. clock frequency

Examples

package

comment

Examples

package

comment

Hitachi HD 6802	Matsushita MN 146802	Motorola MC6802L

40 pin CERDIP silver top	40 pin DIP	40 pin CERDIP gold top
-	-	-

Motorola MC6802CL	Motorola MC6802P	NTE NTE6802

40 pin CERDIP gold top	40 pin DIP	40 pin DIP
-	-	sealed in original package

6803

Manufacturer

Motorola

Category

8-bit microcomputer (controller)

Introduction

1974

Technology

N-Channel silicon-gate depletion load MOS technology; employs a multiplexed address and data system allowing expandibility to 65K words; object code compatible with 6800 instruction set; several new 16-bit and 8-bit instructions incl. an 8 by 8 multiply with 16-bit result; 128 bytes of RAM; internal clock; UART; parallel I/O; three function 16-bit timer on board;

Max. clock frequency

Examples

Package

Comment

Motorola MC6803L	Motorola MC6803L	Hitachi HD 6803 P-1

40 pin CERDIP gold top	40 pin CERDIP gold top	40 pin DIP
tin leads	gold leads	tin leads

special device

MC6803E: requires external clock, MC6803U4

6804

Manufacturer

Motorola

Category

8-bit microcomputer (controller)

Introduction

1974

manufactured devices

MC6804J1, MC6804J2, MC6804P2
MC68704P2: 8-Bit microcomputer unit with EPROM
MC68HC04J2: 8-Bit HCMOS microcomputer unit
C68HC04J3, MC68HC04P4, MC68HC704P4

6805

Manufacturer

Motorola

Category

8-bit microcomputer (controller)

Introduction

1974

Technology

enhanced instruction set; 8-bit timer port; 1200 Bytes ROM; 64 Bytes RAM; 20 programmable I/O lines

Examples

Package

Comment

Motorola MC68HC705P6CP	Motorola PC68HC705V8CB	Motorola XC68HC705C8P

28 pin DIP	40 pin DIP	40 pin DIP
-	unknown specification "PC..."	special mark "prototype"

Manufactured devices

MC6805P2: 8-Bit microcomputer unit with 1K ROM
MC6805P6: 8-Bit microcomputer unit
MC6805R2: 8-Bit microcomputer unit with A/D converter
MC6805R3: 8-Bit microcomputer unit with A/D converter
MC6805S2: 8-Bit microcomputer unit with A/D converter, SPI and three timers
MC6805S3: 8-Bit microcomputer unit with A/D converter, SPI and three timers
MC6805U2: 8-Bit microcomputer unit
MC6805U3: 8-Bit microcomputer unit
MC68705P3: 8-Bit microcomputer unit with EPROM
MC68705P5: 8-Bit microcomputer unit with EPROM
MC68705R3: 8-Bit microcomputer unit with A/D converter and programmable EPROM
MC68705R5: 8-Bit microcomputer unit with A/D conv. and progr. secured EPROM
MC68705S3: 8-Bit microcomputer unit with A/D converter, SPI, programmable
                            EPROM and 3 timers
MC68705U3: 8-Bit microcomputer unit with programmable EPROM
MC68705U5: 8-Bit microcomputer unit with programmable secured EPROM
MC68HC05A6: 8-Bit HCMOS microcomputer unit
MC68HC05B4: 8-Bit HCMOS microcomputer unit
MC68HC05B6: 8-Bit HCMOS microcomputer unit
MC68HC05C2: 8-Bit HCMOS microcomputer unit
MC68HC05C3: 8-Bit HCMOS microcomputer unit
MC68HC05C4: 8-Bit HCMOS microcomputer unit
MC68HC05C8: 8-Bit HCMOS microcomputer unit
MC68HC05C9: 8-Bit HCMOS microcomputer unit / 40 pin DIP or 44 pin PLCC
MC68HC05L6: 8-Bit HCMOS microcomputer unit / 68 pin PLCC
MC68HC05M4: 8-Bit HCMOS microcomputer unit / 52 pin PLCC
MC68HC05P1: 8-Bit HCMOS microcomputer unit / 28 pin DIP or 28 pin SOIC
MC68HCL05C4: 8-Bit HCMOS microcomputer unit / 40 pin DIP or 44 pin PLCC
MC68HCL05C8: 8-Bit HCMOS microcomputer unit / 40 pin DIP or 44 pin PLCC
MC68HSC05C4: 8-Bit microcomputer unit / 40 pin DIP or 44 pin PLCC
MC68HSC05C8: 8-Bit microcomputer unit / 40 pin DIP or 44 pin PLCC
MC68HC705B5: 8-Bit microcomputer unit with one time programmable ROM
                        48 pin DIP or 52 pin PLCC (OTPROM) or 48 pin DIP (EPROM)
MC68HC705C4: 8-Bit microcomputer unit with one time programmable ROM or
                        standard EPROM
                        40 pin DIP or 44 PLCC (OTPROM) or 40 pin DIP (EPROM)
MC68HC705C8: 8-Bit microcomputer unit with standard programmable ROM
                        40 pin DIP or 44 pin PLCC
MC68HC805B6: 8-Bit microcomputer unit with standard EPROM / 52 pin PLCC
MC68HC805C4: 8-Bit microcomputer unit with one time programmable ROM or
                        standard EPROM / 40 pin DIP or 44 pin PLCC

6809

Manufacturer

Motorola

Category

8-bit microprocessor with clock and RAM (Motorola specification)

Introduction

1977

History

Third-generation addition to the 6800 familiy; in competition to Intel 8088

Technology

N-Channel silicon-gate depletion load MOS technology; similar to 6800 offering greater through-put, imprived byte-efficiency and increased adaptability to various software disciplines; compatible with all 6800 periphals; software compatible with the 6800 at source code level; all 6809 in 40 pin (CER)DIP

Examples

Package

Comment

Motorola MC6809L	Motorola MC68B09L	Motorola MC68B09EP	Motorola MC68B09S

40 pin CERDIP gold top	40 pin DIP gold top	40 pin DIP	40 pin CERDIP
-	-	external clock required	-

Examples

package

comment

Thomson (ST) EF6809CM	Thomson (ST) EF68A09	Thomson (ST) EF68B09J	Thomson (ST) EF68B09P
	picture soon
40 pin CERDIP gold top	40 pin CERDIP	40 pin CERDIP	40 pin DIP
socked on board with special coated chips (military)	-	-	-

Second source

Hitachi, ST

Manufactured devices

	Frequency	Material	external clock	temp. range
MC6809P	1.0 MHz	plastic	-	0 to 70°C
MC6809CP	1.0 MHz	plastic	-	-40 to +85°C
MC68A09P	1.5 MHz	plastic	-	0 to 70°C
MC68A09CP	1.5 MHz	plastic	-	-40 to +85°C
MC68B09P	2.0 MHz	plastic	-	0 to 70°C
MC68B09CP	2.0 MHz	plastic	-	-40 to +85°C
MC6809S	1.0 MHz	ceramic	-	0 to 70°C
MC6809CS	1.0 MHz	ceramic	-	-40 to +85°C
MC68A09S	1.5 MHz	ceramic	-	0 to 70°C
MC68A09CS	1.5 MHz	ceramic	-	-40 to +85°C
MC68B09S	2.0 MHz	ceramic	-	0 to 70°C
MC68B09CS	2.0 MHz	ceramic	-	-40 to +85°C

Frequency Material external clock temp. range

MC6809EP 1.0 MHz plastic X 0 to 70°C

MC6809ECP 1.0 MHz plastic X -40 to +85°C

MC68A09EP 1.5 MHz plastic X 0 to 70°C

MC68A09ECP 1.5 MHz plastic X -40 to +85°C

MC68B09EP 2.0 MHz plastic X 0 to 70°C

MC68B09ECP 2.0 MHz plastic X -40 to +85°C

MC6809ES 1.0 MHz ceramic X 0 to 70°C

MC6809ECS 1.0 MHz ceramic X -40 to +85°C

MC68A09ES 1.5 MHz ceramic X 0 to 70°C

MC68A09ECS 1.5 MHz ceramic X -40 to +85°C

MC68B09ES 2.0 MHz ceramic X 0 to 70°C

MC68B09ECS 2.0 MHz ceramic X -40 to +85°C

68HC11

Manufacturer

Motorola

Category

8-bit HCMOS microcomputer unit

Introduction

Technology

high-speed and low-power MCU; enhanced 16-bit timer system with four-stage programmable prescaler; power saving STOP and WAIT modes; serial peripheral interface (SPI); 256 bytes of static RAM; eight-channel 8-Bit A/D converter

Max. clock frequency

2 MHz

Examples

Package

Comment

Motorola MC68HC11A0P	Motorola XC68HC11A1P

48 pin DIP	68 pin DIP
-	-

Manufactured devices

MC68HC11A1: MC68HC11A0 + 512 bytes of EEPROM
                       40 pin DIP or 52 Lead Quad Package
MC68HC11A8: MC68HC11A1 + 8 Kbytes of ROM
                       40 pin DIP or 52 Lead Quad Package
MC68HC11D3: similar to MC68HC11A8, exceptions are 4096 bytes of ROM,
                      192 bytes of RAM and no A/D converter
                       40 pin DIP or 44 pin PLCC
MC68HC11E1: similar to MC68HC11E9 but without ROM
                       52 pin PLCC
MC68HC11E9: similar to MC68HC11E1 but with 12K bytes of ROM
                       52 pin PLCC
MC68HC11F1: 124 bytes of static RAM, 512 bytes of EEPROM,
                       nonmultiplexed bus for higher frequency operation, no ROM
                       68 pin PLCC
MC68HC711D3:4096 bytes of one-time programmable read-only memory
                       (OTPROM), 192 bytes of RAM, 256 bytes of bootstrap ROM
                       40 pin DIP or 44 pin PLCC (OTPROM) or 40 pin DIP (EPROM)
MC68HC811E2: 2K bytes of EEPROM, 256 bytes of static RAM,
                        eight-channel 8-bit A/D converter
                        52 pin PLCC