NEC V850 ZigBee Pro User Manual - page 19
Chapter 3 Hardware specification
Table 3-1 General hardware features
Item
Details
CPU
Part number
μPD70F3281YGC-8EU
Operation with main clock 20 MHz
Clock
Main = 5 MHz
Subclock = 32.768 kHz
Internal flash memory
384 kB
Internal RAM
32 kB
Operation voltage
3.3 V
I/O voltage
3.3 V
Special mention
IIC included
CAN included
USB interface
Mini USB x 1 channel
Serial interface
Equipped with Synchronous/Asynchronous
header pin
Ethernet interface
RJ-45 (10/100M) 1Port
MAC address setup = External EEPROM
State indication LED = 2
CAN
T/H pattern for external connection
RF board
UZ2400 RF Board
Temperature sensor
Temperature sensor x 1
LED
Red x 4 : LED 1 - 4 = Multipurpose
Green x 3 :
- LED 5 = Power
- LED 6 = LAN
- LED 7 = LINK
Multipurpose input
4-bit Slide switch x 1
Push switch x 2
Reset Switch
Push switch x 1
N-WIRE/MiniCube interface
Not mounted
On board Flash memory writing
Possible
Power supply
5.0V (USB supply) or 6.0V (battery supply)
3.1 Terminal list
Terminal table of CN1, CN3 and CN4 of the CPU board.
Table 3-2 Connector CN1 terminal list
CN1
Signal
name
Terminal CPU name at connection
destination
Notes
1
VDD
VDD
2
P36
P36/CTXD0/IETX0
User's Manual U19026EE3V0UM00
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