SH7011 Datasheet, PDF (289/292 Pages) Renesas Technology Corp – CMOS single-chip microprocessors

Appendix B Pin States
B.1 Pin States
Table B.1 Pin States during Reset, and Power-Down
Pin Function
Reset
Class
Pin Name
Power-On
Clock
CK
O
System control
RES
I
Interrupt
NMI
I
IRQ0–IRQ7
Z
Address bus
A1–A21
O
Data bus
D0–D15
Z
Bus control
WAIT
Z
RD
H
CS0, CS1
H
CS2, CS3
Z
WRH, WRL
H
MTU
TIOC0A, TIOC0C,
Z
TIOC1A, TIOC1B,
TIOC2A, TIOC2B
SCI
TxD
Z
RxD
Z
A/D converter
AN0–AN6
Z
I/O port
PA18, PA19
Z
PE0, PE2, PE4–PE7,
PE12–PE14
Legend:
I: Input
O: Output
H: High-level output
L: Low-level output
Z: High impedance
K: Input pin with high impedance, output pin mode maintained.
Pin Modes
Power-Down
Sleep
O
I
I
I
O
I/O
I
H
H
H
H
I/O
O
I
I
K
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