參數(shù)資料
型號: UPD17149GTA1
廠商: NEC Corp.
英文描述: SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 小,通用4位單晶片微控制器
文件頁數(shù): 11/102頁
文件大?。?/td> 408K
代理商: UPD17149GTA1
11
μ
PD17145(A1), 17147(A1), 17149(A1)
1.2 Equivalent Circuit of Pin
The input/output circuit of each pin is shown below, partially simplified.
(1) P0A
0
to P0A
3
and P0B
0
to P0B
3
data
output
disable
pull-up
flag
V
DD
P-ch
P-ch
N-ch
V
DD
Output latch
Selector
Input buffer
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