Section 1 Overview
Rev. 3.00 Mar. 14, 2006 Page 2 of 804
REJ09B0104-0300
1.2 Block
Diagram
H8SX
CPU
RAM
ROM
Inter
nal b
u
s
P
e
ripher
al b
u
s
BSC
DMAC
×
4 channels
HCAN
WDT
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port A
Port D
Port H
Port J
Port K
Interrupt
controller
Clock pulse
generator
[Legend]
CPU: Central
processing
unit
DMAC: DMA controller
BSC: Bus
controller
WDT: Watchdog
timer
TPU: 16-bit timer pulse unit
PPG: Programmable
pulse
generator
SCI:
Serial communication interface
HCAN: Controller area network
SSU: Synchronous communication unit
TPU (unit 0)
×
6 channels
TPU (unit 1)
×
6 channels
On-chip debugging
function for E10A
A/D (unit 1)
×
8 channels
A/D (unit 0)
×
8 channels
SCI
×
2 channels
PPG
SSU
×
3 channels
Figure 1.1 Block Diagram of H8SX/1527
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