Z8F4802VS020SC Zilog, Z8F4802VS020SC Datasheet - Page 115
Z8F4802VS020SC
Manufacturer Part Number
Z8F4802VS020SC
Description
IC ENCORE MCU FLASH 48K 68-PLCC
Manufacturer
Zilog
Series
Encore!®r
Specifications of Z8F4802VS020SC
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
46
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
68-LCC (J-Lead)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
269-3146
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PS017610-0404
Baud Rate
IR_TXD
UART’s
Clock
TXD
Receiving IrDA Data
7-clock
delay
Figure 72. Infrared Data Transmission
Data received from the infrared transceiver via the IR_RXD signal through the RXD pin is
decoded by the Infrared Endec and passed to the UART. The UART’s baud rate clock is
used by the Infrared Endec to generate the demodulated signal (RXD) that drives the
UART. Each UART/Infrared data bit is 16-clocks wide. Figure 73 illustrates data recep-
tion. When the Infrared Endec is enabled, the UART’s RXD signal is internal to the
Z8F640x family device while the IR_RXD signal is received through the RXD pin.
Start Bit = 0
16-clock
period
3-clock
pulse
Data Bit 0 = 1
Data Bit 1 = 0
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Data Bit 2 = 1
Infrared Encoder/Decoder
Data Bit 3 = 1
Z8 Encore!
®
97
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