HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 20

• Manufacturer Part Number: HD4074329S
• Description: MCU 4-Bit HMCS400 CISC 20KB EPROM 3.3V/5V 64-Pin SDIP
• Manufacturer: Renesas Electronics America

Specifications of HD4074329S

• Package: 64SDIP
• Family Name: HMCS400
• Maximum Speed: 4.5 MHz
• Ram Size: 268 Byte
• Program Memory Size: 20 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 4 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 35
• On-chip Adc: 4-chx8-bit
• Operating Temperature: -20 to 75 °C
• Number Of Timers: 3

HD404328 Series
Item
Timer/
counters, serial
interface
A/D
LCD
Bit register
Miscellaneous register
Note: The statuses of other registers and flags after MCU reset are as follows:
Item
Carry flag
Accumulator
B register
W register
X/SPX register
Y/SPY register
Serial data register
A/D data register
RAM
16
Timer counter C
Timer load register B (TLR)
Timer load register C (TCR)
Octal counter
A/D mode register
LCD control register
LCD mode register
LCD output register
Low speed on flag
Watchdog timer on
flag
A/D start flag
Direct transfer on flag (DTON)
Abbr.
(CA)
(A)
(B)
(W)
(X/SPX)
(Y/SPY)
(SR)
(ADRL, ADRU)
Abbr.
(TCC)
(AMR)
(LCR)
(LMR)
(LOR)
(LSON)
(WDON) 0
(ADSF)
(MIS)
Status After Cancellation of
Stop Mode by MCU Reset
Pre-MCU-reset values are not
guaranteed: values must be
initialized by program
Pre-MCU-reset (pre-STOP-
instruction) values are retained
Initial Value
$00
$00
$00
000
00-0
000
0000
0000
0
0
0
0000
Contents
—
—
—
—
Refer to description of A/D mode register
Refer to description of LCD control
register
Refer to description of LCD duty
cycle/clock control register
Refer to description of LCD output
register
Refer to description of low-power
dissipation modes
Refer to description of timer C
Refer to description of A/D converter
Refer to description of low-power
dissipation modes
Refer to description of miscellaneous
register
Status After Cancellation of all
Other Types of Modes by MCU
Reset
Pre-MCU-reset values are not
guaranteed: values must be
initialized by program