STM8SPLNB1 DiSEqC slave microcontroller for SaTCR based LNBs and switchers Datasheet - production data Features Clock, reset and supply management Reduced power consumption, Safe power on/off management by low voltage detector (LVD), TSSOP20 SO20W UFQFPN20 2.95 to 5.5 V operating voltage, 300 mils 4.40 mm body 3 x 3 mm Internal 16MHz oscillator. Communication interface It is a complete hardware and firmware solution TM Two DiSEqC communication interfaces, for system designers who require an 2 implementation overview of the LNB device Four I C communication interfaces I/O control according to DiSEqC standard (Digital ports. Satellite Equipment Control). 4 output pins for control of a legacy matrix. Description The STM8SPLNB1 is an 8-bit microcontroller dedicated to DiSEqC slave operation in SaTCR based LNBs (Low Noise Block) and switchers. Figure 1. Functional block diagram -(Z 2 /3 K(Z 6 L NAER)NT R ,/ + 6 ,6 )NTERFACE I3%Q 34 6 7 3500,9 6 33 /.42/, 4 3 ) % , 3 6 0 5 , 3 ) , 3 - % ) 0/-2 - 4 3 -4)2 8 - 4 , 3 /.42/, ) - 4 3 42) 9 - 8 ,% - 4 , 3 /.42/, ) ) December 2014 DocID018831 Rev 5 1/44 This is information on a product in full production. www.st.com 5 . 2%33 -/ % ,%9 %% 2 0 4%2)4 /2 2%3% %20/ 48 8 2 E TECTO 8 2Contents STM8SPLNB1 Contents 1 Device description 6 1.1 Implementation 6 1.1.1 Pins description 7 2 STM8SPLNB1 operation 9 2.1 Supported DiSEqC commands 10 2.2 DiSEqC commands details 11 2.2.1 Command signaling 11 2.2.2 Command 0x0F . 11 2.2.3 Command 0x0D . 11 2.2.4 Command 0x38 . 12 2.2.5 Command 0x5A . 12 2.2.6 Command 0x5B . 13 3 Configuration parameters . 15 3.1 Configuration parameters . 15 4 Electrical characteristics 21 4.1 Parameter conditions 21 4.1.1 Minimum and maximum values . 21 4.1.2 Typical values 21 4.1.3 Loading capacitor . 21 4.1.4 Pin input voltage 21 4.2 Absolute maximum ratings 22 4.3 Operating conditions 23 4.3.1 General operating conditions . 23 4.3.2 VCAP external capacitor 24 4.3.3 Supply current characteristics 24 4.3.4 Reset pin characteristics 25 4.3.5 EMC characteristics 26 5 Package information 29 29 5.1 ECOPACK 5.2 Package mechanical data 30 2/44 DocID018831 Rev 5