HT45F3W datasheet(5/167 Pages) HOLTEK

5 / 167 page

Rev. 1.50

De�e��e� 01� �01�

Rev. 1.50

De�e��e� 01� �01�

HT45F3W

R-Type Blood Pressure Meter Flash MCU

HT45F3W

R-Type Blood Pressure Meter Flash MCU

Low Voltage Detector – LVD ....................................................................... 132

LVD Registe� ....................................................................................................................... 13�

LVD Ope�ation..................................................................................................................... 133

Programmable Gain Amplifier and Switched Capacitor Filter................. 134

PGA Ope�ation.................................................................................................................... 134

Swit�hed Capa�ito� Filte� .................................................................................................... 135

PGA Cont�ol Registe�.......................................................................................................... 13�

Sensor Constant Current Generator Circuit ............................................. 138

Constant Cu��ent Gene�ato� Ope�ation............................................................................... 138

P�essu�e Senso� Constant Cu��ent Cont�ol Registe�.......................................................... 139

Charge Pump and Voltage Regulator ........................................................ 140

Ope�ation ............................................................................................................................ 140

LCD Driver.................................................................................................... 143

LCD Display Me�o�y .......................................................................................................... 143

LCD Cont�ol Registe�.......................................................................................................... 144

Clo�k Sou��e....................................................................................................................... 14�

LCD D�ive� Output............................................................................................................... 14�

LCD Voltage Sou��e and Biasing........................................................................................ 147

P�og�a��ing Conside�ations.............................................................................................. 148

VDDSPI Pin Function................................................................................... 150

Configuration Option................................................................................... 151

Instruction Set.............................................................................................. 152

Int�odu�tion ......................................................................................................................... 15�

Inst�u�tion Ti�ing................................................................................................................ 15�

Moving and T�ansfe��ing Data............................................................................................. 15�

A�ith�eti� Ope�ations.......................................................................................................... 15�

Logi�al and Rotate Ope�ation ............................................................................................. 153

B�an�hes and Cont�ol T�ansfe� ........................................................................................... 153

Bit Ope�ations ..................................................................................................................... 153

Ta�le Read Ope�ations ....................................................................................................... 153

Othe� Ope�ations................................................................................................................. 153

Instruction Set Summary ............................................................................ 154

Ta�le Conventions............................................................................................................... 154

Instruction Definition................................................................................... 156

Package Information ................................................................................... 165

�4-pin LQFP (7��×7��) Outline Di�ensions .................................................................. 1��

HT45F3W Datasheet(PDF) 5 Page - Holtek Semiconductor Inc

HT45F3W Datasheet(HTML) 5 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL