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TMP92CZ26A
92CZ26A-40
Table 3.3.6 Input Buffer State Table
Input Buffer State
In HALT mode (IDLE2/1/STOP)
When the CPU is operating
<PxDR>=1 <PxDR>=0
Port Name
Input Function
Name
During Reset
When Used as
function Pin
When Used
as Input port
When Used
as function
Pin
When Used
as Input port
When Used
as function
Pin
When Used
as Input port
D0-D7 D0-D7 OFF − − −
P10-P17 D8-D15
16bit Start OFF
Boot Start ON
ON upon
external read
OFF OFF
P60-P67 −
16bit Start OFF
Boot Start ON
− − −
P71-P74 − − − −
P75 NDR/
W
P76 WAIT
ON ON OFF
P90 − − − −
P91 RXD0
P92
0CTS
,SCLK0
P96 *1 INT4
ON ON OFF
P97 − − − −
PA0-PA7 *1 KI0-7
PC0 INT0
PC1 INT1,TA0IN
PC2 INT2
PC3 INT3,TA2IN
ON ON OFF
PC4-PC7 −
PF0-PF5 −
ON
−
ON
−
ON
−
PG0-PG2
PG4,PG5 *2
− − − −
PG3 *2 ADTRG
OFF
ON
ON upon port
read
ON
OFF
ON
PJ5-PJ6 −
PN0-PN7 −
PP1-PP2 −
− − −
PP3 INT5
PP4 INT6,TB0IN0
PP5 INT7,TB1IN0
PR0 SPDI
ON ON OFF
PR1-PR3 −
PT0-PT7 −
PU0-PU4,
PU6,PU7
−
− − −
PU5 −
PV0-PV2 −
PV6-PV7 SDA, SCL
PW0-PW7 −
PX5 X1USB
PX7 −
OFF
PZ0-PZ5
EI_PODDATA,
EI_SYNCLK,
EI_PODREQ,
EI_REFCLK,
EI_TRGIN,
EI_COMRESET
ON ON
ON
PZ6-PZ7 −
ON
−
ON
−
ON
−
OFF
DBGE
−
D+, D-
−
RESET −
AM0,AM1 −
Always ON
X1,XT1 − IDLE2/DLE1: ON
ON: The buffer is always turned on. A current flows the input buffer if the input
pin is not driven.
OFF: The buffer is always turned off.
- : No applicable
*1: Port having a pull-up/pull-down resistor.
*2: AIN input does not cause a current to flow through the buffer.