48-pin SSOP (300mil) Outline D…
IC LCD DRIVER 32X4 128PT RAM MAPPED SSOP-48
HT1621B is a 32x4 LCD driver/controller with 2.4V~5.2V operating voltage, built-in 256kHz RC oscillator, 3-wire serial interface, and 48-pin SSOP/LQFP package.Checked against the datasheet
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Technical parameters
Datasheet-verified parameters
22 items| Parameter | Value and test conditions | Source |
|---|---|---|
| Package | 48-pin SSOP/LQFP | |
| Operating Temperature | −40°C to 85°C | |
| Operating Voltage | Min: 2.4V, Max: 5.2V | |
| Absolute Maximum Ratings - Supply Voltage | VSS −0.3V to VSS +5.5V | |
| Absolute Maximum Ratings - Input Voltage | VSS −0.3V to VDD +0.3V | |
| Storage Temperature | −60°C to 150°C |
All parameters (7)
| Power | |
|---|---|
| Operating Voltage | 2.4 V ~ 5.2 V |
| Environment and package | |
| Operating Temperature | -40 o C to 85 o C |
| Package | 48-pin SSOP/LQFP |
| Other | |
| Built-in Oscillator | 256kHz RC oscillator |
| Display RAM | 32×4 bit |
| Interface | 3-wire serial interface |
| LCD Driver | 32×4 |
Pinout and package
Package48-pin SSOP/LQFP
| Pin | Name | Function | Source |
|---|---|---|---|
| 1 | SEG7 | (Segment Output 7) | |
| 2 | SEG6 | (Segment Output 6) | |
| 3 | SEG5 | (Segment Output 5) | |
| 4 | SEG4 | (Segment Output 4) | |
| 5 | SEG3 | (Segment Output 3) | |
| 6 | SEG2 | (Segment Output 2) | |
| 7 | SEG1 | (Segment Output 1) | |
| 8 | SEG0 | (Segment Output 0) | |
| 9 | CS | (Chip Select, Active Low) | |
| 10 | RD | (Read, Active Low) | |
| 11 | WR | (Write, Active Low) | |
| 12 | DATA | (Data/Command) | |
| 13 | VSS | (Ground) | |
| 14 | OSCO | (Oscillator Output) | |
| 15 | OSCI | (Oscillator Input) | |
| 16 | VLCD | (LCD Driving Voltage Adjustment) | |
| 17 | VDD | (Power Supply) | |
| 18 | IRQ | (Interrupt Output, Active Low) | |
| 19 | BZ | (Buzzer Output) | |
| 20 | BZ | (Buzzer Inverted Output) | |
| 21 | COM0 | (Common 0) | |
| 22 | COM1 | (Common 1) | |
| 23 | COM2 | (Common 2) | |
| 24 | COM3 | (Common 3) | |
| 25 | SEG31 | (Segment Output 31) | |
| 26 | SEG30 | (Segment Output 30) | |
| 27 | SEG29 | (Segment Output 29) | |
| 28 | SEG28 | (Segment Output 28) | |
| 29 | SEG27 | (Segment Output 27) | |
| 30 | SEG26 | (Segment Output 26) | |
| 31 | SEG25 | (Segment Output 25) | |
| 32 | SEG24 | (Segment Output 24) | |
| 33 | SEG23 | (Segment Output 23) | |
| 34 | SEG22 | (Segment Output 22) | |
| 35 | SEG21 | (Segment Output 21) | |
| 36 | SEG20 | (Segment Output 20) | |
| 37 | SEG19 | (Segment Output 19) | |
| 38 | SEG18 | (Segment Output 18) | |
| 39 | SEG17 | (Segment Output 17) | |
| 40 | SEG16 | (Segment Output 16) | |
| 41 | SEG15 | (Segment Output 15) | |
| 42 | SEG14 | (Segment Output 14) | |
| 43 | SEG13 | (Segment Output 13) | |
| 44 | SEG12 | (Segment Output 12) | |
| 45 | SEG11 | (Segment Output 11) | |
| 46 | SEG10 | (Segment Output 10) | |
| 47 | SEG9 | (Segment Output 9) | |
| 48 | SEG8 | (Segment Output 8) |
Documents
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