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M58-ZC Datasheet(PDF) 17 Page - Nuvoton Technology Corporation

Part No. M58-ZC
Description  32-BIT MICROCONTROLLER
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Maker  NUVOTON [Nuvoton Technology Corporation]
Homepage  http://www.nuvoton.com
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M58-ZC Datasheet(HTML) 17 Page - Nuvoton Technology Corporation

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NuMicro
M058/M0516BN Datasheet
Publication Release Date: Mar. 19, 2012
- 17 -
Revision V1.01
5.3
Pin Description
Pin number
Symbol
Alternate Function
Type
[1]
Description
QFN33
LQFP48
1
2
3
11
16
XTAL1
I
(ST)
CRYSTAL1: This is the input pin to the internal
inverting amplifier. The system clock is from
external crystal or resonator when FOSC[1:0]
(CONFIG3[1:0]) are both logic 1 by default.
10
15
XTAL2
O
CRYSTAL2: This is the output pin from the
internal inverting amplifier. It emits the inverted
signal of XTAL1.
27
41
VDD
P
POWER SUPPLY: Power supply to I/O ports
and LDO source for internal PLL and digital
circuit.
12
17
VSS
P
GROUND: Digital Ground potential.
33
28
42
AVDD
P
POWER SUPPLY: Power supply to internal
analog circuit.
4
6
AVSS
P
GROUND: Analog Ground potential.
13
18
LDO_CAP
P
LDO: LDO output pin
Note: It needs to be connected with a 1uF
capacitor.
2
4
RST
I
(ST)
RESET: /RST pin is a Schmitt trigger input pin
for hardware device reset. A “Low” on this pin
for 768 clock counter of Internal RC 22M while
the system clock is running will reset the
device. /RST pin has an internal pull-up
resistor allowing power-on reset by simply
connecting an external capacitor to GND.
26
40
P0.0
CTS1
AD0
TXD1
[2]
D,
I/O
PORT0: Port 0 is an 8-bit four mode output pin
and two mode input. Its multifunction pins are
for CTS1, RTS1, CTS0, RTS0, SPISS1,
MOSI_1, MISO_1, and SPICLK1.
P0 has an alternative function as AD[7:0] while
external memory accessing. During the
external memory access, P0 will output high
will be internal strong pulled-up rather than
weak pull-up in order to drive out high byte
25
39
P0.1
RTS1
AD1
RXD1
[2]
D,
I/O
NC
38
P0.2
CTS0
AD2
TXD
[2]
D,
I/O


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