FIC98648 Datasheet, PDF (12/14 Pages) List of Unclassifed Manufacturers – Microprocessor for use with TGS4160 in automatic CO2 monitors

TECHNICAL INFORMATION FOR FIC98648
6. Hardware Specifications
6-1 Features
*4-bit single chip microcomputer
*Instruction execution time: 1.0µs (at 8MHz)
*Low voltage operation: 2.2V (at 4.2MHz)
*Basic instructions: 92
- ROM table look-up instructions
- 5-bit to 8-bit data conversion instruction
*Subroutine nesting: 15 levels maximum
*6 interrupt sources (External: 2, Internal: 4)
- All sources each have independent latches, and
multiple interrupt control is available
*I/O port (23 pins)
*Two 12-bit Timer/Counters
- Timer, event counter, and pulse width measure-
ment mode
*Interval Timer
*Emulation pod: BM47C443
*8-bit successive approximate type A/D converter
with sample and hold
- 8 analog inputs
- Conversion time: 24µs (at 8MHz)
*Serial Interface with 8-bit buffer
- Simultaneous transmission and reception
capability
- 8/4-bit transfer, external/internal clock, and
leading/trailing edge shift mode
*Zero-cross detector (and external interrupt handler)
*Pulse output
- Buzzer drive/Remocon carrier
*High current outputs
- LED direct drive capacity: typ. 20mA x 8 bits
(Ports R5, R6)
*Reset function
- Watchdog timer reset
*Hold function
- Battery/Capacitor back-up
6-2 DC characteristics (see Table 8)
Parameter Symbol
Pins
Conditions
Min. Typ. Max. Unit
Hysteresis
voltage
VHS
Hysteresis input
-
-
0.7
-
V
Input
current
IIN1 RESET, HOLD
VDD = 5.5V, VIN = 5.5V/0V
-
IIN2 Open drain ports
-
±2
µA
Input
resistance
RIN
RESET
-
100
220 450
kΩ
Output
leakage
ILO
current
Open drain
output ports
VDD = 5.5 V, VOUT = 5.5 V
-
-
2
µA
Output low
voltage
VOL
Ports
R4, R7, R8, R9
VDD = 4.5V, IOL = 1.6mA
VDD = 2.2V, IOL = 20µA
-
-
-
0.4
V
-
0.1
Output low
current
IOL
Ports R5, R6
VDD = 4.5V, VOL = 1.0V
7
20
-
mA
Supply
current
VDD = 5.5V, fc = 4MHz
-
2
4
(NORMAL IDD
-
VDD = 3.0V, fc = 4MHz
-
1
2
mA
operating
mode)
VDD = 3.0V, fc = 400kHz
-
0.5
1
Supply
current
(HOLD
IDDH
-
operating
mode)
VDD = 5.5V
-
0.5
10
µA
Table 8 - DC characteristics
(Vss = 0, Topr = -30~+70˚C)
Revised 08/03
12