HD404344R Datasheet, PDF (12/102 Pages) Renesas Technology Corp – 4-bit microcomputer has an A/D converter

HD404344R Series/HD404394 Series
Pin Description
HD404344R Series, HD4074344
Item
Power supply
Test
Reset
Oscillator
Port
Interrupt
Stop clear
Serial interface
Timer
A/D converter
Pin Number
DP-28S/
Symbol FP-28DA FP-30D Chip I/O Function
V_CC
16
GND
11
18
14, 15
11
8, 9
Applies power voltage
Connects to ground
TEST
17
19
16
I Cannot be used in user applications.
Connect this pin to GND.
RESET 18
20
17
I Resets the MCU
OSC₁
9
9
6
I Input/output pins for the internal
oscillator. Connect these pins to the
ceramic oscillator, or OSC₁ to an external
oscillator circuit.
OSC₂
D₀–D₅
10
23–28
10
7
O
25–30 22–27 I/O Input/output pins addressed individually
by bits; pins D₁ and D₂ can sink 15 mA
max.
R0₀–R0₃,
R1₀–R1₃,
R2₀–R2₃,
R3₀–R3₃
INT₀
STOPC
1–8,
12–15
19–22
23
27
1–8, 18–21, I/O Four-bit input/output pins.
13–16, 28–30,
21–24 1–5,
Pins R1₀–R2₃ can sink 15 mA max.
10–13
25
22
I Input pin for external interrupts
29
26
I Input pin for transition from stop mode to
active mode
SCK
19
21
18
I/O Serial interface clock input/output pin
SI
20
22
19
I Serial interface receive data input pin
SO
21
23
20
O Serial interface transmit data output pin
TOC
22
24
21
O Timer output pin
EVNB
23
25
22
I Event count input pin
AN₀–AN₃ 12–15 13–16 10–13 I Analog input pins for the A/D converter
10