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3
MB89170/170A/170L Series
I
PRODUCT LINEUP
* :Varies with conditions such as the operating frequency and the assurance range for the DTMF generator.(See
“
I
Electrical Characteristics.”)
MB89P173
MB89174A
MB89P175A
MB89PV170A
Classification
Mass-produced
product
(mask ROM
product)
One-time PROM
product
(EPROM product)
Mass-produced
product
(mask ROM
product)
One-time PROM
product
(EPROM product)
Piggyback/
evaluation
product (for
evaluation and
development)
32 K
×
8 bits
(external ROM)
ROM size
8 K
×
8 bits
(internal mask
ROM)
8 K
×
8 bits
(internal PROM,
to be programmed
with general-
purpose EPROM
programmer)
384
×
8 bits
The number of instructions:
Instruction bit length:
Instruction length:
Data bit length:
12 K
×
8 bits
(internal mask
ROM)
16 K
×
8 bits
(internal PROM,
to be programmed
with general-
purpose EPROM
programmer)
512
×
8 bits
RAM size
1 K
×
8 bits
CPU functions
136
8 bits
1 to 3 bytes
1, 8, 16 bits
Minimum execution time:
1.1 to 17.6
μ
s at 3.58 MHz, 61
μ
s at 32.768 kHz
Interrupt processing time:
10 to 160
μ
s at 3.58 MHz, 562.5
μ
s at 32.768 kHz
Output ports (N-ch open-drain): 5
Output ports (CMOS):
I/O ports (CMOS):
Total:
8 bits
×
2 ch or 16 bits
×
1 ch, capable of rectangular wave output
One clock selectable from four operation clocks
(one external shift clock, three internal shift clocks: 2.2
μ
s, 35.2
μ
s, 563.2
μ
s; when operating at 3.58 MHz)
8 bits
LSB/MSB first selectable
One clock selectable from four transfer clocks
(one external shift clock, three internal shift clocks: 2.2
μ
s, 8.8
μ
s, 35.2
μ
s; when operating at 3.58 MHz)
All ITU-T (the old name: CCITT)
tones selectable as output
Fixed to oscillation frequency(3.58 MHz)
Minimum instruction execution time:
0.6 to 9.6
μ
s at 7.16 MHz, 61
μ
s at 32.768 kHz
Interrupt processing time:
5.4 to 86.4
μ
s at 7.16 MHz, 562.5
μ
s at 32.768 kHz
Ports
8
24 (16 ports also serve as peripherals.)
37
8/16-bit timer/
counter
8-bit serial I/O
DTMF generator
All ITU-T (the old name: CCITT) tones selectable as output
Selectable oscillation frequency(3.58 MHz or 7.16 MHz)
External interrupt 1
3 independent channels (selectable edge, interrupt vector, source flag)
Rising/falling/both edges selectable
Used also for wake-up from the watch/stop/sleep mode.
(Edge detection is also permitted in the watch/stop mode.)
External interrupt 2
(wake-up)
8 independent channels (“L” level interrupt)
Used also for wake-up from the watch/stop/sleep mode.
(Edge detection is also permitted in the watch/stop mode.)
Standby mode
Sleep mode, stop mode, watch mode, and subclock mode
Process
CMOS
Operating voltage*
2.2 V to 6.0 V
2.7 V to 6.0 V
2.2 V to 6.0 V
2.7 V to 6.0 V
EPROM for use
MBM27C256A
-20TVM
MB89173
Item
Part number