STV9425 STMicroelectronics, STV9425 Datasheet
STV9425
Specifications of STV9425
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STV9425 Summary of contents
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... MAXIMUM PIXEL CLOCK 2-WIRES ASYNCHRONOUS SERIAL MCU . 2 INTERFACE (I C PROTOCOL BITS PWM DAC OUTPUTS (STV9425 BITS PWM DAC OUTPUTS (STV9425B) SINGLE POSITIVE 5V SUPPLY DESCRIPTION TheSTV9425/25B/26is an ON SCREEN DISPLAY for monitor built as a slave peripheral con- nected to a host MCU via a serial I ...
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... XTAL PWM2 11 - PWM3 PWM4 PWM5 14 - SCL 15 9 SDA 16 10 RESET 17 11 GND TEST 22 16 PWM6 23 - PWM7 Reserved with STV9425B (not to be connected) 2/15 SDIP24 (STV9425B RES ERVED FBLK WM6 V-SYNC H-SYNC PXCK CKOUT GND XTAL OUT RES ET XTAL WM5 RES ERVED ...
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... RAM 4K ROM Pa ge Descriptors + (128 chara cte rs) Use r Defined Cha BUS INTERFACE S TV94 25/25B GND SCL SDA * Res erve d with STV9425B XTAL V OUT P XCK TEST RAM HOR IZONTAL 4K ROM P age De s criptors + DIGITALP LL (128 cha ra cte fined Char. Addre s s /Da ta ...
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... STV9425 - STV9425B - STV9426 ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage DD V Input Voltage IN T Operating Ambient Temperature oper T Storage Temperature stg ELECTRICAL CHARACTERISTICS ( XTAL Symbol Parameter SUPPLY V Supply Voltage DD I Supply Current DD INPUTS SCL, SDA, TEST, RESET, V-SYNC and H-SYNC ...
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... Note 1 : These parameters are not tested on each unit. They are measured during our internal qualification procedure which includes characterization on batches comming from corners of our processes and also temperature characterizat ion. Figure 2 TWL XTI TWH STV9425 - STV9425B - STV9426 Min. Typ. Max TBD ...
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... I.1 - Data Transfer in Write Mode MCU ca n writ STV9425/25B/26registers or RAM. To write data into the STV9425/25B/26, after a start, the MCU must send (Figure First, the I C address slave byte with a low level for the R/W bit, - The two bytes of the internal address where the MCU wants to write data(s), - The successive bytes of data(s) ...
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... FUNCTIONAL DESCRIPTION (continued) I.3 - Addressing Space STV9425/25B/26 registers, RAM and ROM are mapped in a 16Kbytes addressing space. The mapping is the following : 0000 Descriptors character 1024 bytes RAM codes user definable characters 03FF 0400 Empty Space 1FFF 2000 Character Generator ROM 32FF ...
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... STV9425 - STV9425B - STV9426 FUNCTIONAL DESCRIPTION (continued) PULSE WIDTH MODULATOR 0 3FF8 V07 V06 V05 V04 V03 V02 V01 V00 * V0[7:0] : Digital value of the 1 PWM converter (Pin1). PULSE WIDTH MODULATOR 1 3FF9 V17 V16 V15 V14 V13 V12 V11 V10 * V1[7:0] : Digital value of the 2 PWMDAC (Pin2) ...
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... DD[7:0] must be equal or greater than 4 (the mini- mum value of the horizontal delay character periods). The length of the active area, where are different from 0, dependson the number of characters of the strips. IV Timing The converters of the STV9425/25B/26are pulse width modulater converter. The frequency of F XTAL the output signal is : 256 ...
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... STV9425 - STV9425B - STV9426 FUNCTIONAL DESCRIPTION (continued) After the falling edge on V-SYNC, the first strip descriptor is read at the top of the current table of descriptors at the address given by P[9:0] (see DISPLAY CONTROL register). spacing strip, SL[7:0] black or transparent scan lines are displayed character strip, during CH[5: ZY) ...
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... FUNCTIONAL DESCRIPTION (continued) Table 1 : ROM Character Generator CHARACTER NUMBER C(6:0) C(6:4) 0 C(3: STV9425 - STV9425B - STV9426 11/15 ...
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... STV9425 - STV9425B - STV9426 FUNCTIONAL DESCRIPTION (continued User Definable Character The STV9425/25B/26 allows the user to dynami- cally define character(s) for his own needs (for a special LOGO for example). Like the ROM charac- ters, a UDC is made pixels x 18 slices dot matrix, but one more slice is added for the vertical shadowing when several UDCs are gathered to make a special great character (see Figure 8) ...
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... NYYY 5 NNNN NNNY 6 NNNN NNNN 7 NNNN NNNN Note : 1. Case of A[2: (001) and B[2: (100 Valid Time Constants STV9425 - STV9425B - STV9426 In this case the PLL is stable if coefficient). Figure 12 : Time Response of the PLL/Charac- teristic Equation Solutions (with 0 . Complex Solutions) PLL B 19 Frequency . Input ...
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... STV9425 - STV9425B - STV9426 PACKAGE MECHANICAL DATA (STV9425 - STV9425B) 24 PINS - PLASTIC SHRINK DIP Millimeters Dimensions Min. Typ 0.51 3.05 3.30 B 0.36 0.46 B1 0.76 1.02 C 0.23 0.25 D 22.61 22.86 E 7.62 E1 6.10 6.40 e 1.778 e1 7. 2.54 3.30 14/ Stand-off .015 0,38 Gage Plan SDIP24 Inches Max ...
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... I C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. STV9425 - STV9425B - STV9426 Inches Max. Min. Typ. 0.020 1 ...