HD6432621 Hitachi, HD6432621 Datasheet - Page 50

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HD6432621

Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.2
Figures 1-1 and 1-2 show internal block diagrams of the H8S/2623 Series and H8S/2626 Series.
6
Notes: *
PF7/ø
PF6/AS
PF5/RD
PF4/HWR
PF3/LWR/ADTRG/IRQ3
PF2/WAIT/BREQO
PF1/BACK
PF0/BREQ/IRQ2
Internal Block Diagram
MD2
MD1
MD0
EXTAL
XTAL
PLLVCC
PLLCAP
PLLVSS
STBY
RES
WDTOVF
NMI
FWE
The FWE pin is used only in the flash memory version.
*
Figure 1-1 Internal Block Diagram (H8S/2623 Series)
Port 1
PC break controller
Interrupt controller
flash memory)
(2 channels)
(Mask ROM,
PPG
TPU
RAM
ROM
H8S/2600 CPU
Port D
DTC
HCAN
SCI
WDT
A/D converter
3 channels
1 channel
1 channel
Port 4
Port E
PA5
PA4
PA3/A19/SCK2
PA2/A18/RxD2
PA1/A17/TxD2
PA0/A16
PB7/A15/TIOCB5
PB6/A14/TIOCA5
PB5/A13/TIOCB4
PB4/A12/TIOCA4
PB3/A11/TIOCD3
PB2/A10/TIOCC3
PB1/A9/TIOCB3
PB0/A8/TIOCA3
PC7/A7
PC6/A6
PC5/A5/SCK1/IRQ5
PC4/A4/RxD1
PC3/A3/TxD1
PC2/A2/SCK0/IRQ4
PC1/A1/RxD0
PC0/A0/TxD0
P97/AN15
P96/AN14
P95/AN13
P94/AN12
P93 / AN11
P92 / AN10
P91 / AN9
P90 / AN8

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