Z8FS040BSB20EG Zilog, Z8FS040BSB20EG Datasheet - Page 33

• Manufacturer Part Number: Z8FS040BSB20EG
• Description: IC MCU 4KB FLASH IRDA 8SOIC
• Manufacturer: Zilog
• Series: ZMOTION™r

Specifications of Z8FS040BSB20EG

• Applications: Infrared Motion Detection
• Core Processor: eZ8
• Program Memory Type: FLASH (4 kB)
• Controller Series: Z8 Encore! XP®
• Interface: IrDA, UART/USART
• Number Of I /o: 5
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Ram Size: -
• Other names: 269-2512

Advanced API Register Set
The following registers are for advanced configuration of the PIR engine. They include customization
for lens and pyroelectric sensor configurations. These registers are not initialized by the PIR engine.
Table 7 - PIR Engine Advanced Registers
PS028506-1110
PIR Advanced Status/Control
Register 0
PIR Advanced Status/Control
Register 2
PIR Process Rate
PIR Sample Size Register
PIR Debounce Time Register
PIR Debounce Batch Size
Register
PIR Transient Sensitivity Level
PIR Noise Sensitivity Level
PIR Signal
PIR Pyro DC Signal Level
API Advanced Register Name
Address
FCh/FDh
FAh/FBh
F3h/F4h
F0h
F2h
F5h
F6h
F7h
F8h
F9h
Mnemonic
ePIR_ASC0
ePIR_ASC2
ePIR_Process_Rate
ePIR_Sample_Size
ePIR_Debounce_Time
ePIR_Debounce_Batch
ePIR_Transient_Sense
ePIR_Noise_Sense
ePIR_Signal
ePIR_Signal_DC
PRELIMINARY
ZMOTION
Description
EM noise and MD origin status
Window Size, Lock Level, and
Window Update Rate
Relative Processing available to PIR
engine
Controls amount of sensor signal
averaging
Controls time to Debounce motion
signal
Controls out of window samples
needed for Debounce
Sets PIR engine sensitivity to
transient detection
Sets PIR engine sensitivity to noise
detection
Current Pyro Sensor signal sample
Current calculated Pyro Sensor DC
offset
TM
Detection and Control Family
Product Specification
28