DS07-12516-4E
FUJITSU SEMICONDUCTOR
DATA SHEET
8-bit Proprietary Microcontroller
CMOS
F
2
MC-8L MB89870 Series
MB89875/P875/PV870
s
DESCRIPTION
The MB89870 series is a line of single-chip microcontrollers. In addition to a compact instruction set, the
microcontrollers contain a variety of peripheral functions such as dual-clock control system, five operating speed
control stages, timers, a PWM timer, a serial interface, an A/D converter, an external interrupt, an LCD controller/
driver, and a watch prescaler.
s
FEATURES
F
2
MC-8L family CPU core
Dual-clock control system
Maximum memory space: 64 Kbytes
Minimum execution time: 0.4
s/10 MHz
Interrupt processing time: 3.6
s/10 MHz
I/O ports: max. 45 channels
21-bit timebase timer
8-bit PWM timer: 1 channel, 1 output channel
8/16-bit timer/counter: 2 channels (16 bits
1 channel)
8-bit serial I/O: 1 channel
10-bit A/D converter: 8 channels
OP amp: 4 channels
External interrupt (wake-up function): 8 channels
(Continued)
s
PACKAGE
80-pin Plastic LQFP
(FPT-80P-M05)
80-pin Plastic QFP
(FPT-80P-M06)
80-pin Ceramic MQFP
(MQP-80C-P01)
2
MB89870 Series
(Continued)
Watch prescaler (15 bits)
LCD controller/driver: 16 to 24 segments
2 to 4 commons
Power-on reset function
Low-power consumption modes (subclock mode, watch mode, sleep mode, and stop mode)
LQFP-80 (0.50-mm pitch) and QFP-80 (0.80-mm pitch) package
s
PRODUCT LINEUP
(Continued)
MB89P875
MB89PV870
Classification
Mass production product
(mask ROM product)
One-time PROM product
Piggyback/evaluation product
(for development)
ROM size
16 K
8 bits
(internal mask ROM)
16 K
8 bits
(internal PROM)
32 K
8 bits
(external ROM)
RAM size
512
8 bits
1 K
8 bits
LCD display RAM
12
8 bits
CPU functions
Number of instructions:
136
Instruction bit length:
8 bits
Instruction length:
1 to 3 bytes
Data bit length:
1, 8, 16 bits
Minimum execution time: 0.4
s/10 MHz to 6.4
s/10 MHz, 61.0
s/32.768 kHz
Interrupt processing time: 3.6
s/10 MHz to 57.6
s/10 MHz, 549.3
s/32.768 kHz
Ports
General-purpose I/O ports (CMOS): 45 (42 ports also serve as peripherals and 8 ports are
also an N-ch open-drain type.)
8-bit PWM timer
8-bit interval timer operation (square output capable, operating clock cycle: 0.4
s to 3.3 ms)
1 channel
7/8-bit resolution PWM operation (conversion cycle: 51.2
s to 839 ms)
1 channel
Timers
8-bit timer operation (operating clock cycle)
2 channels
16-bit timer operation (operating clock cycle)
1 channel
8-bit Serial I/O
8 bits
LSB first/MSB first selectable
One clock selectable from four operation clocks
(one external shift clock, three internal shift clocks: 0.8
s, 3.2
s, 12.8
s)
LCD controller
24 segments
4 commons
10-bit A/D
converter
10-bit resolution
8 channels
A/D conversion mode (conversion time: 13.2
s)
Sense mode (conversion time: 7.2
s)
OP amps
4 channels
The output can be used for A/D converter input.
MB89875
Part number
Parameter
3
MB89870 Series
(Continued)
* : Varies with conditions such as the operating frequency. (See section "
s
Electrical Characteristics.")
s
PACKAGE AND CORRESPONDING PRODUCTS
: Available
: Not available
Note: For more information about each package, see section "
s
Package Dimensions."
MB89P875
MB89PV870
External
interrupt
8 independent channels (edge selection, interrupt vector, and source flag)
Rising edge/falling edge selectable (4 channels)
Rising edge/falling edge/both edges selectable (4 channels)
Used also for wake-up from stop/sleep mode (Edge detection is also permitted in stop mode.)
Low-power
Consumption
(Standby mode)
Subclock mode, sleep mode, watch mode, and stop mode
Process
CMOS
Operating voltage*
2.2 V to 6.0 V
2.7 V to 6.0 V
EPROM for use
Package
MB89875
MB89P875
MB89PV870
FPT-80P-M05
FPT-80P-M06
MQP-80C-P01
MB89875
MBM27C256A-20TV
Part number
Parameter
4
MB89870 Series
s
DIFFERENCES AMONG PRODUCTS
1. Memory Size
Before evaluating using the piggyback product, verify its differences from the product that will actually be used.
Take particular care on the following points:
On the MB89PV870, the program area starts from address 8006
H
but on the MB89P875 and MB89875 starts
from 8000
H
.
(On the MB89P875, addresses BFF0
H
to BFF6
H
comprise the option setting area, option settings can be read
by reading these addresses. On the MB89PV870 and MB89875, addresses 8000
H
to 8006
H
could also be
used as a program ROM. However, do not use these addresses in order to maintain compatibility of the
MB89P875.)
2. Current Consumption
In the case of the MB89PV870, add the current consumed by the EPROM which is connected to the top socket.
When operated at low speed, the product with an OTPROM (one-time PROM) or an EPROM will consume
more current than the product with a mask ROM.
However, the current consumption in sleep/stop modes is the same. (For more information, see sections
"
s
Electrical Characteristics" and "
s
Example Characteristics.")
3. Mask Options
Functions that can be selected as options and how to designate these options vary by the product.
Before using options check section "
s
Mask Options."
Take particular care on the following points:
A pull-up resistor cannot be selectable for P30 to P37 if they are used as the analog input pin for an A/D
converter.
A pull-up resistor cannot be selectable for P10 to P17, and P34 to P37 if an OP amp is used.
A pull-up resistor is not selectable for P40 to P47 and P23, P24 if they are used as LCD pins.
Options are fixed on the MB89PV870.
5
MB89870 Series
s
PIN ASSIGNMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
SEG1
SEG0
COM0
COM1
COM2/P24
COM3/P23
V3
V
CC
V2
V1
V0
V
SS
P22
P21
P20
X1A
X0A
P57/SCK
P56/SO
P55/SI
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
P45/SEG21
P44/SEG20
P43/SEG19
P42/SEG18
P41/SEG17
P40/SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
(Top view)
(FPT-80P-M05)
P46/SEG22
P47/SEG23
AV
SS
AVR
AV
CC
P30/AN0
P31/AN1
P32/AN2
P33/AN3
P34/AN4/OUT0
P35/AN5/OUT1
P36/AN6/OUT2
V
SS
P37/AN7/OUT3
X1
X0
MOD1
MOD0
RST
P00/INT0
P01/INT1
P02/INT2
P03/INT3
P04/INT4
P05/INT5
P06/INT6
P07/INT7
P11/IN0+
P13/IN1+
P15/IN2+
P17/IN3+
P50/PWM
P51/TO2
P52/TO1
P53/EC
P54/BUZ
P10/IN0
P14/IN2
P12/IN1
P16/IN3
PDF 
ZIP