HD404459 Datasheet, PDF (102/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
Programmable ROM (HD4074459)
The HD4074459 is a ZTAT^TM microcomputer with a built-in PROM that can be programmed in PROM
mode.
PROM Mode Pin Description
Pin No. MCU Mode
FP-64A Pin Name
I/O
1
RA0/COMP₀ I
2
RA₁/COMP₁ I
3
RA₂/COMP₂ I
4
RA₃/COMP₃ I
5
TEST
I
6
OSC₁
I
7
OSC₂
O
8
GND
—
9
X2
O
10
X1
I
11
RESET
I
12
D₀
I/O
13
D₁
I/O
14
D₂
I/O
15
D₃
I/O
16
D₄
I/O
17
D₅
I/O
18
D₆
I/O
19
D₇
I/O
20
D₈
I/O
21
D₉
I/O
22
D₁₀
I
23
D₁₁/STOPC I
24
V_CC
—
25
R0₀/INT₀
I/O
26
R0₁/INT₁
I/O
27
R0₂/INT₂
I/O
28
R0₃/INT₃
I/O
PROM Mode
Pin Name I/O
TEST
I
V_CC
GND
—
GND
RESET
I
O₀
I/O
O₁
I/O
O₂
I/O
O₃
I/O
O₄
I/O
O₅
I/O
O₆
I/O
O₇
I/O
A₁₃
I
A₁₄
I
V_PP
I
A₉
I
V_CC
M₀
I
M₁
I
Pin No. MCU Mode
FP-64A Pin Name I/O
29
R1₀
I/O
30
R1₁
I/O
31
R12
I/O
32
R1₃
I/O
33
R2₀
I/O
34
R2₁
I/O
35
R2₂
I/O
36
R2₃
I/O
37
R3₀/TOB I/O
38
R3₁/TOC I/O
39
R3₂/TOD I/O
40
R3₃/EVNB I/O
41
R4₀/EVND I/O
42
R4₁/SCK I/O
43
R4₂/SI
I/O
44
R4₃/SO
I/O
45
R5₀/(WU₀) I/O
46
R5₁/(WU₁) I/O
47
R5₂/(WU₂) I/O
48
R5₃/(WU₃) I/O
49
R6₀/(WU₄) I/O
50
R6₁/(WU₅) I/O
51
R6₂/(WU₆) I/O
52
R6₃/(WU₇) I/O
53
R7₀
I/O
54
R7₁
I/O
55
R7₂
I/O
56
R7₃
I/O
PROM Mode
Pin Name I/O
A₅
I
A₆
I
A7
I
A₈
I
A₀
I
A₁₀
I
A₁₁
I
A₁₂
I
CE
I
OE
I
V_CC
V_CC
A₁
I
A₂
I
A₃
I
A₄
I
100