CHAPTER 2 PIN FUNCTIONS
User’s Manual U13850EJ6V0UD
91
(18) AV
SS
(Analog V
SS
)
This is the ground pin for the A/D converter or alternate-function port.
(19) AV
REF
(Analog reference voltage) … input
This is the reference voltage supply pin for the A/D converter.
(20) BV
DD
(Power supply for bus interface)
This is the positive power supply pin for the bus interface and its alternate-function ports.
(21) BV
SS
(Ground for bus interface)
This is the ground pin for the bus interface and its alternate-function ports.
(22) EV
DD
(Power supply for port)
This is the positive power supply pin for I/O ports and alternate-function pins (except for the alternate-function
ports of the bus interface).
(23) EV
SS
(Ground for port)
This is the ground pin for I/O ports and alternate-function pins (except for the alternate-function ports of the bus
interface).
(24) V
DD
(Power supply)
This is the positive power supply pin. All V
DD
pins should be connected to a positive power supply.
(25) V
SS
(Ground)
This is the ground pin. All V
SS
pins should be grounded.
(26) V
PP
(Programming power supply)
This is the positive power supply pin used for flash memory programming mode.
This pin is used in the flash memory versions. In normal operation mode, connect directly to V
SS
.
(27) IC (Internally connected)
This is an internally connected pin used in the mask ROM versions. Be sure to connect directly to V
SS
.
Содержание V850/SB1
Страница 2: ...User s Manual U13850EJ6V0UD 2 MEMO ...