UPD78F9418A NEC, UPD78F9418A Datasheet - Page 206

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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206
Cautions 1. Bits 6 and 7 must be fixed to 0.
(2)
Remark
Symbol
LPS0
LCD port selector 0 (LPS0)
LPS0 controls port and segment signal output switching.
LPS0 is set using a 1-bit or 8-bit memory manipulation instruction.
RESET input sets LPS0 to 00H.
0
1
7
0
2. Be sure to use segments in sequence from the smallest segment value (LPS05 → → → → LPS04 → → → →
m = 8 n = 0 to 7
m = 9 n = 0 to 3
× = 16 to 27
P93/S16, P92/S17 P91/S18, P90/S19 P87/S20, P86/S21 P85/S22, P84/S23 P83/S24, P82/S25 P81/S26, P80/S27
… → → → → LPS00).
Used as ports (Pmn)
Used as segments (S×)
0
6
LPS05
LPS05
5
LPS04
4
Figure 14-3. Format of LCD Port Selector 0
LPS03
CHAPTER 14 LCD CONTROLLER/DRIVER
LPS04
3
LPS02
2
User’s Manual U13952EJ3V0UD
LPS01
1
LPS03
LPS00
0
Address
FFB1H
LPS02
After reset
00H
LPS01
R/W
R/W
LPS00