HD64F3337YCP16V Datasheet, PDF (38/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

1.2 Block Diagram
Figure 1.1 (a) shows a block diagram of the H8/3337 Series. Figure 1.1 (b) shows a block diagram
of the H8/3397 Series.
*
P1₀/A₀
P1₁/A₁
P1₂/A₂
P1₃/A₃
P1₄/A₄
P1₅/A₅
P1₆/A₆
P1₇/A₇
P2₀/A₈
P2₁/A₉
P2₂/A₁₀
P2₃/A₁₁
P2₄/A₁₂
P2₅/A₁₃
P2₆/A₁₄
P2₇/A₁₅
P6₀/FTCI/KEYIN₀
P6₁/FTOA/KEYIN₁
P6₂/FTIA/KEYIN₂
P6₃/FTIB/KEYIN₃
P6₄/FTIC/KEYIN₄
P6₅/FTID/KEYIN₅
P6₆/FTOB/IRQ₆/KEYIN₆
P6₇/IRQ₇/KEYIN₇
CPU
H8/300
Data bus (low)
ROM
Flash memory,
PROM or mask ROM
H8/3337Y: 60 kbytes
H8/3336Y: 48 kbytes
H8/3334Y: 32 kbytes
RAM
H8/3337Y: 2 kbytes
H8/3336Y: 2 kbytes
H8/3334Y: 1 kbyte
Watchdog
timer
Host
interface
16-bit
free-running
timer
Serial communi-
cation interface
(2 channels)
I²C bus interface
(1 channel) (option)
8-bit timer
(2 channels)
10-bit
A/D converter
(8 channels)
PWM timer
(2 channels)
8-bit
D/A converter
(2 channels)
Port 4
Port 7
Port 5
P9₀/ADTRG/IRQ₂/ECS₂
P9₁/IRQ₁/EIOW
P9₂/IRQ₀
P9₃/RD
P9₄/WR
P9₅/AS
P9₆/ø
P9₇/WAIT/SDA
P3₀/D₀/HDB₀
P3₁/D₁/HDB₁
P3₂/D₂/HDB₂
P3₃/D₃/HDB₃
P3₄/D₄/HDB₄
P3₅/D₅/HDB₅
P3₆/D₆/HDB₆
P3₇/D₇/HDB₇
P8₀/HA₀
P8₁/GA₂₀
P8₂/CS₁
P8₃/IOR
P8₄/TxD₁/IRQ₃/IOW
P8₅/RxD₁/IRQ₄/CS₂
P8₆/SCK₁/IRQ₅/SCL
Note: * In the case of the CP-84 and CG-84
Memory Sizes
H8/3337Y
H8/3336Y
H8/3334Y
ROM
60 kbytes
48 kbytes
32 kbytes
RAM
2 kbytes
2 kbytes
1 kbyte
Figure 1.1 (a) Block Diagram for H8/3337 Series
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