MSM85C154HVS Datasheet, PDF (1/15 Pages) OKI electronic componets – MSM83C154S Piggy Back

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MSM85C154HVS
MSM83C154S Piggy Back
This ve_Mrs_Sio_Mn₈: ₅J_Can₁.₅1₄9_H98_VS
Previous version: Nov. 1996
GENERAL DESCRIPTION
The MSM85C154HVS is an 8-bit microcontroller that has been developed assuming that it is used
for evaluation of programs of MSM83C154S. ES (Engineering Sample) only.
FEATURES
• Operating range
Operating frequency
: 1 to 22 MHz (16 to 22 MHz is recommended
for program development)
Operating voltage
: 4.75 to 5.25 V (Use MSM85C154VS for 1 to 16
MHz)
Operating temperature
: Room temperature
• Fully static circuit
• On-chip program memory
: 16K ¥ 8-bit ROM (EPROM)
• On-chip data memory
: 256 ¥ 8-bit RAM
• External program memory address space : 64 Kbytes
• External data memory address space
: 64 Kbytes
• I/O port
(Port 1, 2, 3, impedance programmable)
: 4 ports ¥ 8 bits
• 16-bit timer/counters
:3
• Multifunctional serial port
: I/O Expansion mode
: UART mode (featuring error detection)
• 6-source 2-priority level
Interrupt and multi-level
Interrupt available by programming IP and IE registers
• Memory-mapped special function registers
• Bit addressable data memory and SFRs
• Minimum instruction cycle
: 545 ns @ 22 MHz operation
• "Multiply"/"divide" instruction cycle
: 2.18 ms @ 22 MHz operation
• Standby functions
: Power-down mode (oscillator stop)
Activated by software or hardware; provid-
ing ports with floating or active status
The software power-down stet mode is ter-
minated by interrupt signal enabling execu-
tion from the interrupted address.
• Package
40-pin ceramic Piggyback (ADIP40-C-600-2.54) (Product name: MSM85C154HVS)
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