參數(shù)資料
型號(hào): mPD789324GB-xxx-8ET
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 55/96頁
文件大?。?/td> 482K
代理商: MPD789324GB-XXX-8ET
Preliminary Product Information U14673EJ1V0PM00
55
μ
PD789322,789324,789326,789327
(3) Port function register 8 (PF8)
This register is used to select whether S17/P85 to S22/P80 are used as LCD segment signal outputs or
general-purpose ports.
PF8 is set using a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to 00H.
Figure 5-28. Format of Port Function Register 8
Symbol
7
6
5
4
3
2
1
0
Address
After reset
R/W
PF8
0
0
PF85
PF84
PF83
PF82
PF81
PF80
FF58H
00H
R/W
PF8n
Port function of P8n (n = 0 to 5)
0
Operates as a general-purpose port
1
Operates as an LCD segment signal output
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