參數(shù)資料
型號: UPD62AMC-XXX-5A4-A
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: 0.300 INCH, PLASTIC, SSOP-20
文件頁數(shù): 6/62頁
文件大?。?/td> 272K
代理商: UPD62AMC-XXX-5A4-A
14
PD62A
Data Sheet U14474EJ2V0DS00
Port Register
P0
KI/O7
P00
After Reset
FFH
KI/O6
KI/O5
KI/O4
KI/O3
KI/O2
KI/O1
KI/O0
P10
P1
KI3
P01
× FHNote
KI2
KI1
KI0
S1/LED
S0
11
P11
P3 (Control register 0)
0
P03
03H
0DP9
DP8
TCTL
CARY
MOD1
MOD0
P13
P4 (Control register 1)
0
P04
26H
0
KI
pull-down
S0/S1
pull-down
0
S1/LED mode
KI/O mode
S0 mode
P14
3. PORT REGISTERS (PX)
The KI/O port, the KI port, the special ports (S0, S1/LED), and the control registers are treated as port registers.
The port register values after reset are shown below.
Figure 3-1. Port Register Configuration
Note
×: Refers to the value based on the KI pin status.
Table 3-1. Relationship Between Ports and Read/Write
Port Name
Input Mode
Output Mode
Read
Write
Read
Write
KI/O
Pin status
Output latch
KI
Pin status
S0
Pin status
Note
S1/LED
Pin status
Pin status
Note When in OFF mode, “1” is normally read.
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