Four-Bit Single-Chip Microcontroller - Sanyo
Description
Ordering number : EN 4365B
CMOS LSI
LC5852N
Four-Bit Single-Chip Microcontroller with On-Chip LCD Drivers for Small-Scale Control in Medium-Speed Applications
Overview
The LC5852N is a high-performance four-bit single-chip built-in LCD driver microprocessor that provides a variety of attractive features including low-voltage operation and low power dissipation.
The LC5852N was developed as an upwardly compatible version of the LC5851N and provides a ROM capacity increased from 1024 to 2048 15bit words and a RAM capacity increased from 64 × 4 bits to 128 × 4 bits.
Package Dimensions
unit: mm 3057-QIP64A
[LC5852N]
Applications
• System control and LCD display in cameras, radios and similar products • System control and LCD display in miniature electronic test equipment and consumer health maintenance products • The LC5852N is optimal for end products with LCD displays and, in particular, for battery operated products.
SANYO: QIP64A
Features
The LC5852N is an upwardly compatible version of the LC5851N and, as such, has the following features.
• Extremely broad allowable operating ranges
Power supply option EXT-V EXT-V EXT-V EXT-V Li Ag 10 µs 20 µs 61 µs 122 µs, 244 µs 122 µs, 244 µs 122 µs, 244 µs Cycle time Power supply voltage range VSS2 = –4.
0 to –5.
5 V VSS2 = –4.
0 to –5.
5 V VSS2 = –2.
3 to –5.
5 V VSS2 = –2.
0 to –5.
5 V VSS2 = –2.
6 to –3.
6 V * VSS1 = –1.
3 to –1.
65 V Note When using an 800 kHz ceramic resonator When using a 400 kHz ceramic resonator When using a 65 kHz crystal oscillator When using a 32 kHz crystal oscillator When using a 32 kHz crystal oscillator When using a 32 kHz crystal oscillator
Note: * When the backup flag is set, the BAK pin is shorted to VSS2.
(See the user’s manual for details.
)
• Low current drain — Ceramic oscillator (CF): — Crystal oscillator (Xtal): — Crystal oscillator (Xtal):
400 kHz (5.
0 V) 32 kHz (1.
5 V, Ag specifications) 32 kHz (3.
0 V, Li specifications)
HALT mode (typical) 150 µA 2.
0 µA (for LCD biases other than 1/3) 3...
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