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PCD3745A Datasheet(PDF) 6 Page - NXP Semiconductors

No. de pieza PCD3745A
Descripción Electrónicos  8-bit microcontroller with 4.5 kbytes OTP memory and 32 kHz real-time clock
PDF  32 Pages
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCD3745A Datasheet(HTML) 6 Page - NXP Semiconductors

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1999 Feb 02
6
Philips Semiconductors
Product specification
8-bit microcontroller with 4.5 kbytes OTP
memory and 32 kHz real-time clock
PCD3745A
5.2
Pin description
Table 1
SOT117-1 and SOT136-1 packages
Table 2
SOT358-1 package
SYMBOL
PIN
DESCRIPTION
P0.0 to P0.7
28, 1 to 7
Port 0: 8 quasi-bidirectional I/O lines
T1
8
Test 1 or count input of 8-bit Timer/event counter 1
XTAL1
9
crystal oscillator or external clock input
XTAL2
10
crystal oscillator output
RESET
11
reset input
CE/T0
12
chip enable or Test 0
P1.0 to P1.6
13 to 19
Port 1: 7 quasi-bidirectional I/O lines
P1.7/RCO
20
Port 1: 1 quasi-bidirectional I/O line/Real Clock Output 16 kHz
RTC1
21
RTC 32 kHz oscillator input
VSS
22
ground
RTC2
23
RTC 32 kHz oscillator output
VDD
24
positive supply voltage
EMUN
25
emulation pin, must be connected to VDD for normal mode operation.
CLK1
26
count input of 16-bit peripheral Counter 1
CLK2
27
count input of 16-bit peripheral Counter 2
SYMBOL
PIN
DESCRIPTION
n.c.
1, 13, 17, 28
not connected
T1
5
Test 1 or count input of 8-bit Timer/event counter 1
XTAL1
6
crystal oscillator or external clock input
XTAL2
7
crystal oscillator output
RESET
8
reset input
CE/T0
9
chip enable or Test 0
P1.0 to P1.6
10 to 12,
14 to 16, 18
Port 1: 7 quasi-bidirectional I/O lines
P1.7/RCO
19
Port 1: 1 quasi-bidirectional I/O line/Real Clock Output 16 kHz
RTC1
20
RTC 32 kHz oscillator input
VSS
21
ground
RTC2
22
RTC 32 kHz oscillator output
VDD
23
positive supply voltage
EMUN
24
emulation pin, must be connected to VDD for normal mode operation.
CLK1
25
count input of 16-bit peripheral Counter 1
CLK2
26
count input of 16-bit peripheral Counter 2
P0.0 to P0.7
27, 29 to 32,
2to4
Port 0: 8 quasi-bidirectional I/O lines



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