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KS88C2148 Datasheet(PDF) 6 Page - Samsung semiconductor

No. de Pieza. KS88C2148
Descripción  KS88 series of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-progr
Descarga  34 Pages
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Fabricante  SAMSUNG [Samsung semiconductor]
Página de inicio  http://www.samsung.com/Products/Semiconductor
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KS88C2148 Datasheet(HTML) 6 Page - Samsung semiconductor

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PRODUCT OVERVIEW
KS88C2148/P2148
1-6
PIN DESCRIPTIONS
Table 1-1. KS88C2148 Pin Descriptions
Pin
Names
Pin
Type
Pin
Description
Circuit
Type
Pin
Numbers (note)
Share
Pins
P0.0-P0.7
I/O
4-bit-programmable I/O port.
Pull-up resistors and open-drain outputs
are software assignable. Pull-up resistors
are automatically disabled for output pins.
Configurable as LCD segments/ external
interface address and data lines
H-32
72-79
(74-80, 1)
SEG16/A8
SEG23/A15
P1.0-1.7
I/O
4-bit-programmable I/O port.
Pull-up resistors and open-drain outputs
are software assignable. Pull-up resistors
are automatically disabled for output pins.
Configurable as LCD segments/ external
interface address and data lines
H-32
80, 1-7
(2-9)
SEG24/AD0
SEG31/AD7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
I/O
1-bit-programmable I/O port.
Pull-up resistors are software assignable,
and automatically disabled for output
pins. P2.0-P2.3 can alternately be used
as external interface lines. P2.4-P2.7 are
configurable as alternate functions or
external interrupts at falling edge with
noise filters.
D-4
8 (10)
9 (11)
18 (20)
19 (21)
20 (22)
21 (23)
22 (24)
23 (25)
AS
DR
DW
DM
INT0/T0CK
INT1/T1CK
INT2/TA
INT3/TB
P3.0-P3.3
P3.4-P3.6
P3.7
I/O
1-bit-programmable I/O port.
Pull-up resistors are software assignable,
and automatically disabled for output
pins. P3.0-P3.3 can alternately be used
as ADC. P3.7 is configurable as an
alternate function.
F-16
D-4
D-4
25-28
(27-30)
30-32
(32-34)
33 (35)
ADC0-ADC3
T0/T0PWM/
T0CAP
P4.0–P4.7
I/O
1-bit-programmable I/O port.
Pull-up resistors and open-drain outputs
are software assignable. Pull-up resistors
are automatically disabled for output pins.
P4.0-P4.7 are configurable as external
interrupts at a selectable edge with noise
filters.
E-4
34-41
(36-43)
INT4-INT11
P5.0
P5.1
P5.2
P5.3
P5.4-P5.6
I/O
1-bit-programmable I/O port.
Pull-up resistors are software assignable,
and automatically disabled for output
pins.
P5.0-P5.3 are configurable as alternate
functions. If SCK and SI are used as
input, these pins have noise filters.
D-4
42 (44)
43 (45)
44 (46)
45 (47)
46-48
(48-50)
SCK
SI
SO
BUZ
NOTE: Parentheses indicate pin number for 80-QFP package.


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