UPD77111 NEC, UPD77111 Datasheet - Page 4

• Manufacturer Part Number: UPD77111
• Description: 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
• Manufacturer: NEC

PIN CONFIGURATION
4
Notes 1. These pins are provided only on the PD77110.
2. With the PD77111 and 77112, the function of this pin can be activated or deactivated by mask option.
3. DA14 is not provided on the PD77112.
4. An external data memory interface is not provided on the PD77111.
Serial interface #1
Serial interface #2
With the PD77110, this function is always valid.
For debugging
Host interface
Port
(4)
(2)
(8)
(2)
(4)
SO1
SORQ1
SOEN1
SCK1
SI1
SIEN1
SIAK1
SO2
SOEN2
SCK2
SI2
SIEN2
P0 - P3
HCS
HA0, HA1
HRD
HRE
HWR
HWE
HD0 - HD7
TDO, TICE
TCK, TDI, TMS, TRST
Data Sheet U12801EJ4V0DS00
+2.5 V
IV
DD
GND
PLL0 - PLL2
DA0 - DA14
+3 V
EV
WAKEUP
INT1 - INT4
DD
HOLDRQ
HOLDAK
CLKOUT
D0 - D15
RESET
CLKIN
BSTB
MWR
MRD
Note 1
Note 2
Note 3
X/Y
(15)
(16)
(4)
(3)
External data
memory
Reset, interrupt
Clock
System control
Data bus
control
PD77110, 77111, 77112
Note 4