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參數(shù)資料
| 型號(hào)： | M38199EFFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, PLASTIC, QFP-100 |
| 文件頁(yè)數(shù)： | 135/217頁(yè) |
| 文件大小： | 2564K |
| 代理商： | M38199EFFP |
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11
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
I/O PORTS
Direction Registers
The 3819 group has 54 programmable I/O pins arranged in 8 I/O
ports (ports P24–P27, P41–P44, P46, P47, P5–P8, PA, and PB).
The I/O ports have direction registers which determine the input/
output direction of each individual pin. Each bit in a direction reg-
ister corresponds to one pin, each pin can be set to be input or
output.
When “0” is written to the bit corresponding to a pin, that pin be-
comes an input pin. When “1” is written to that bit, that pin
becomes an output pin.
If data is read from a pin which is set for output, the value of the
port latch is read, not the value of the pin itself. A pin which is set
for input the value of the pin itself is read because the pin is in
floating state. If a pin set for input is written to, only the port latch
is written to and the pin remains floating.
High-Breakdown-Voltage Output Ports
The 3819 group microprocessors have 7 ports with high-break-
down-voltage pins (ports P0, P1, P20–P23, P3, P8, P9, PA). The
high-breakdown-voltage ports have P-channel open-drain output
with VCC –40 V of breakdown voltage.
Each pin in ports P0, P1, P20–P23, P3, and P9 has an internal
pull-down resistor connected to VEE. Ports P8 and PA have no in-
ternal pull-down resistors, so that connect an external resistor to
each port. At reset, the P-channel output transistor of each port
latch is turned off, so it becomes VEE level (“L”) by the pull-down
resistor.
Writing “1” (weak drivability) to bit 7 of the FLDC mode register 1
(address 003616) shows the rising transition of the output transis-
tors for reducing transient noise. At reset, bit 7 of the FLDC mode
register 1 is set to “0” (strong drivability).
Pin
Name
Input/Output
I/O Format
Non-Port Function
Related SFRS
Diagram
No.
P00/SEG32/
DIG0–
P07/SEG39/
DIG7
P10/SEG40/
DIG8–
P17/DIG15
P20/DIG16–
P23/DIG19
P24–P27
P30/SEG24–
P37/SEG31
P40/INT0
P45/INT1/
ZCR
High-breakdown-
voltage P-channel
open-drain output
with pull-down
resistor
High-breakdown-
voltage P-channel
open-drain output
with pull-down
resistor
High-breakdown-
voltage P-channel
open-drain output
with pull-down
resistor
TTL level input
CMOS 3-state output
High-breakdown-
voltage P-channel
open-drain output
with pull-down
resistor
CMOS compatible
input level
P42/INT2–
P44/INT4
P46/T1OUT,
P47/T3OUT
P41
CMOS compatible
input level
CMOS 3-state output
Port P0
Port P1
Port P2
Port P3
Port P4
Output
Input/output,
individual bits
Output
Input
Input/output,
individual bits
FLD automatic dis-
play function
FLD automatic dis-
play function
FLD automatic dis-
play function
FLD automatic dis-
play function
External interrupt
input
Zero cross detec-
tion circuit input
(P45)
Timer output
FLDC mode register 1
FLDC mode register 2
Port P0
segment/digit
switch register
FLDC mode register 1
FLDC mode register 2
FLDC mode register 1
FLDC mode register 2
Port P2 digit/port
switch register
FLDC mode register 1
FLDC mode register 2
Interrupt edge
selection register
Zero cross detection
control register
Timer 12 mode register
Timer 34 mode register
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(4)
(8)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M38198EC-XXXFP | 8-BIT, OTPROM, MICROCONTROLLER, PQFP100 |
| M38199MF-XXXKP | 8-BIT, MROM, MICROCONTROLLER, PQFP100 |
| M38198MC-XXXKP | 8-BIT, MROM, MICROCONTROLLER, PQFP100 |
| M38199MF-XXXFP | 8-BIT, MROM, MICROCONTROLLER, PQFP100 |
| M38203E4-XXXHP | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38199MF072F | 制造商:Panasonic Industrial Company 功能描述:IC |
| M38199MF210F | 制造商:Panasonic Industrial Company 功能描述:IC |
| M38199MF217 | 制造商:Panasonic Industrial Company 功能描述:IC |
| M38199MF219F | 制造商:Panasonic Industrial Company 功能描述:IC |
| M38199MF227 | 制造商:Panasonic Industrial Company 功能描述:IC |
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