Pin function, Toshiba – Toshiba TMP87CP24AF User Manual
Page 119
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TOSHIBA
TMP87PP24A
Pin Function
The TMP87PP24A has two modes: MCU and PROM.
(1)
MCU mode
In this mode, the TMP87PP24A is pin compatible with the TMP87CM24A/CP24A (fix the TEST pin at
low level.)
(2)
PROM mode
Pin Ñame (PROM mode)
Input/Output
Function
Pin Name (MCU mode)
A16
Input
PROM address inputs
P60
Al 5 to A8
P77 to P70
A7 to AO
P87 to P80
D7 to DO
I/O
PROM data input/outputs
P07 to POO
CE
Input
Chip enable signal input (active low)
P13
OE
Output enable signal input (active low)
P14
PGM
Program mode signal input
P15
VPP
Power supply
+ 12.75 V/5 V (Program supply voltage)
TEST
VCC
+ 6.25 V/5 V
VDD
GND
OV
VSS
P35 to P30
I/O
Pull-up with resistance for input processing.
P47 to P40
P57 to P50
P67 to P62
P93 to P90
P11
PROM mode setting pin. Be fixed at high level.
P21
P31
P61
P17, P16, P12, PIO
P22,P20
PROM mode setting pin. Be fixed at low level.
RESET
XIN
Input
Connect an 8 MHz oscillator to stabilize the internal state.
XOUT
Output
VAREE
Power supply
OV(GND)
VASS
COM3 to COMO
Output
Open
SEG11 to SEGO
C0,C1, VI, V2, V3
Power supply
3
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2002
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10-03